Re:[nfc-l] The BirdCast Dashboard: Upcoming Cornell Lab of Ornithology Webinar

[Christopher T. Tessaglia-Hymes]

For those who missed the BirdCast webinar, here is a link to watch the recorded 
webinar:

https://academy.allaboutbirds.org/live-event/the-birdcast-dashboard-live-radar-tracking-of-bird-migration-in-your-county-and-state/?utm_source=Cornell+Lab+eNews_campaign=7ce2c1ace1-EMAIL_CAMPAIGN_2020_07_27_06_48_COPY_01_medium=email_term=0_47588b5758-7ce2c1ace1-277527669

Sincerely,
Chris T-H

On Apr 15, 2022, at 2:33 PM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:

Thought I’d share this here in case anyone is interested!

Begin forwarded message:

From: Katherine Elizabeth Welch mailto:ke...@cornell.edu>>
Subject: The BirdCast Dashboard: Upcoming Cornell Lab of Ornithology Webinar
Date: April 15, 2022 at 2:05:00 PM EDT
Reply-To: Katherine Elizabeth Welch 
mailto:ke...@cornell.edu>>

The BirdCast Dashboard: Live Radar Tracking of Bird Migration in 
Your County and State
April 20, 2022
12:00 p.m.–1:00 p.m. Eastern
Register here 
<https://cornell.zoom.us/webinar/register/WN_oWWVElATQFaUuU-T5MtEXQ>

Join the BirdCast team for a live demonstration of a new tool for tracking 
nocturnal bird migration anywhere in the continental United States. The 
Migration Dashboard provides near real-time information on the fascinating 
flights of migratory birds across the United States each spring and fall based 
on data collected by a network of weather surveillance radars. Using historical 
and seasonal context, the dashboard helps birdwatchers and conservationists 
understand the bigger picture of migration and anticipate when migration 
intensity will be high. The dashboard will be an invaluable tool for learning 
about migration, planning your next birding trip, and supporting conservation 
actions that aim to provide a safe airspace for the billions of birds crossing 
the US each year. Register 
here<https://cornell.zoom.us/webinar/register/WN_oWWVElATQFaUuU-T5MtEXQ>.

Photo Credits:
BirdCast Dashboard screenshot © BirdCast



--
Christopher T. Tessaglia-Hymes — Field Applications Engineer
K. Lisa Yang Center for Conservation Bioacoustics, Cornell Lab of Ornithology
Cornell University, 159 Sapsucker Woods Road, Ithaca, New York 14850, USA
Work: +1 607-254-2418  Mobile: +1 607-351-5740  FAX: +1 607-254-1132
https://bioacoustics.cornell.edu<https://bioacoustics.cornell.edu/>



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[nfc-l] Fwd: The BirdCast Dashboard: Upcoming Cornell Lab of Ornithology Webinar

[Christopher T. Tessaglia-Hymes]

Thought I’d share this here in case anyone is interested!

Begin forwarded message:

From: Katherine Elizabeth Welch mailto:ke...@cornell.edu>>
Subject: The BirdCast Dashboard: Upcoming Cornell Lab of Ornithology Webinar
Date: April 15, 2022 at 2:05:00 PM EDT
Reply-To: Katherine Elizabeth Welch 
mailto:ke...@cornell.edu>>

[A screenshot of the BirdCast Dashboard, showing bird migration dynamics for 
the night and for the season. Text on image: Upcoming Webinar: The BirdCast 
Dashboard: Live Radar Tracking of Bird Migration. Apr. 20, 12:00–1:00 p.m. ET. 
BirdCast Dashboard © BirdCast]The BirdCast Dashboard: Live Radar Tracking of 
Bird Migration in Your County and State
April 20, 2022
12:00 p.m.–1:00 p.m. Eastern
Register here 
<https://cornell.zoom.us/webinar/register/WN_oWWVElATQFaUuU-T5MtEXQ>

Join the BirdCast team for a live demonstration of a new tool for tracking 
nocturnal bird migration anywhere in the continental United States. The 
Migration Dashboard provides near real-time information on the fascinating 
flights of migratory birds across the United States each spring and fall based 
on data collected by a network of weather surveillance radars. Using historical 
and seasonal context, the dashboard helps birdwatchers and conservationists 
understand the bigger picture of migration and anticipate when migration 
intensity will be high. The dashboard will be an invaluable tool for learning 
about migration, planning your next birding trip, and supporting conservation 
actions that aim to provide a safe airspace for the billions of birds crossing 
the US each year. Register 
here<https://cornell.zoom.us/webinar/register/WN_oWWVElATQFaUuU-T5MtEXQ>.

Photo Credits:
BirdCast Dashboard screenshot © BirdCast



--
Christopher T. Tessaglia-Hymes — Field Applications Engineer
K. Lisa Yang Center for Conservation Bioacoustics, Cornell Lab of Ornithology
Cornell University, 159 Sapsucker Woods Road, Ithaca, New York 14850, USA
Work: +1 607-254-2418  Mobile: +1 607-351-5740  FAX: +1 607-254-1132
https://bioacoustics.cornell.edu


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[nfc-l] Epic Movement - Etna, NY

[Christopher T. Tessaglia-Hymes]

Posted the following to the NFC Facebook group just now and thought I would 
share here:


I’ve been listening live in Etna, NY tonight since 10:30pm. This has been an 
epic migration night here and one of the more constantly vocal in recent 
memory. Literally thousands and thousands of calls. Nearly constant calls of 
warblers, thrushes, (and tanagers?), grosbeaks, occasional sparrows, all 
stepping upon one another. First regular groups of Gray-cheeked Thrushes late 
tonight. One Black-billed Cuckoo. Only just now was there a notable gap of some 
10-20 seconds without a call, as a group of coyotes started yipping and 
whooping.


Most impressive night to be listening prior to this first calm. It will be 
interesting to try to run these data through Vesper (I am recording to file 
sequence using Raven Pro; plus recording the full night with my Swift recorder 
and Flowrabola microphone.)


Good night-listening!

Sincerely,
Chris Tessaglia-Hymes


Sent from my iPhone



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[nfc-l] NFC-L Cornell eList Archives

[Christopher T. Tessaglia-Hymes]

Hey there VT NFC and Cornell NFC-L aficionados!

I’m happy to report that the Cornell NFC-L eList archives are now fully 
accessible online at The Mail Archive, here:

https://www.mail-archive.com/nfc-l@mm.list.cornell.edu/maillist.html

The Cornell NFC eList was migrated to a newer Lyris server back in 2017, which 
allowed for larger email attachments to be received and distributed. But, when 
that happened, The Mail Archive split the eList into two: the original one (for 
nf...@cornell.edu) and the new one (for 
nfc-l@mm.list.cornell.edu).

As a result, all original email list message footer hyperlinks, and any web 
links to the archive, were directing only to the original eList Mail Archive 
and we weren’t seeing any of the newer messages.

After working with The Mail Archive support gurus, they merged both eLists into 
the newer one (nfc-l@mm.list.cornell.edu) and 
then they brilliantly created a redirect, so that anyone attempting to access 
the original archive (for nf...@cornell.edu) would 
get redirected to the new archive, seamlessly!

If you have a public eList or public group mail list that you want to have 
archived and available online for the future, I highly recommend using The Mail 
Archive — it’s free.

Please feel free to search The Mail Archives within the Cornell Night Flight 
Call eList archives, as there may be some good discussions about topics that 
may arise on this VT NFC eList which were also discussed historically on the 
Cornell NFC eList (dating back to April 2009).

Hope this helps!

Sincerely,
Chris T-H

--
Chris Tessaglia-Hymes
PO Box 488
8 Etna Lane
Etna, NY 13062
607-351-5740

**AND**

--
Chris Tessaglia-Hymes
Listowner, NFC-L
Ithaca, New York
c...@cornell.edu
NFC-L – Archives
NFC-L – Welcome and Basics
NFC-L – Rules and Information
NFC-L – Subscribe, Configuration and 
Leave






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[nfc-l] Eastern NA Species NF Calls Index and Other Resources

[Christopher T. Tessaglia-Hymes]

Good morning Vermont NFC listeners!

For those interested, Bill Evans has made available and accessible the Evans 
and O’Brien CD-ROM Flight Calls of Migratory Birds: North American Landbirds 
online for free, here: http://oldbird.org/pubs/fcmb/start.htm

Bill Evans has a great resource for detectors, DIY microphone fabrication 
instructions, and NFC microphones for sale at his website here: 
http://www.oldbird.org/

Also, archives of Cornell’s NFC-L eList (with some attachments) are available 
at the links below, currently split between two different archives for the 
eList messages going to two different Lyris servers (I’m working on getting 
these consolidated into one):

https://www.mail-archive.com/nfc-l@cornell.edu/maillist.html (archives from 
4/24/2009 through 10/5/2017)

https://www.mail-archive.com/nfc-l@mm.list.cornell.edu/maillist.html (archives 
from 10/15/2017 through 8/11/2020)

Hope this is useful, and good night-listening this fall!

Sincerely,
Chris T-H


On Aug 17, 2020, at 9:48 AM, Gretchen Nareff 
mailto:marshbir...@gmail.com>> wrote:

Good morning! I am excited to get involved in the world of NFCs. I first became 
interested when I participated in the NJ Audubon World Series of Birding in 
2005 and 2006 and saw the experts racking up the songbirds before dawn. I have 
some bootleg CDs that were made from Evans' and O'Brien's CD-ROMs back in the 
early 2000s. I dusted those off this weekend.

Anyway, I don't have equipment specifically for recording NFCs but I do have 10 
AudioMoth  recorders through work. I saw 
them listed as one option for recording NFCs so I'm going to throw a couple on 
my roof and see what I get. I am completely new to this and would love to 
invest in a mic setup.

--
Gretchen E. Nareff
Bennington, VT



To unsubscribe from the NFC list, click the following link:
http://list.uvm.edu/cgi-bin/wa?TICKET=NzM3Njg0IGN0aDRAQ09STkVMTC5FRFUgTkZDIMPGwNpkkphJ=SIGNOFF

--
Chris Tessaglia-Hymes
PO Box 488
8 Etna Lane
Etna, NY 13062
607-351-5740

*AND*

Chris Tessaglia-Hymes
Listowner, (Cornell) NFC-L
Ithaca, New York
c...@cornell.edu
NFC-L – Archives
NFC-L – Welcome and Basics
NFC-L – Rules and Information
NFC-L – Subscribe, Configuration and 
Leave








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Please submit your observations to eBird! ��http://ebird.org/content/ebird/
--

[nfc-l] Eastern NA Species NF Calls Index and Other Resources

[Christopher T. Tessaglia-Hymes]

Good morning Vermont NFC listeners!

For those interested, Bill Evans has made available and accessible the Evans 
and O’Brien CD-ROM Flight Calls of Migratory Birds: North American Landbirds 
online for free, here: http://oldbird.org/pubs/fcmb/start.htm

Bill Evans has a great resource for detectors, DIY microphone fabrication 
instructions, and NFC microphones for sale at his website here: 
http://www.oldbird.org/

Also, archives of Cornell’s NFC-L eList (with some attachments) are available 
at the links below, currently split between two different archives for the 
eList messages going to two different Lyris servers (I’m working on getting 
these consolidated into one):

https://www.mail-archive.com/nfc-l@cornell.edu/maillist.html (archives from 
4/24/2009 through 10/5/2017)

https://www.mail-archive.com/nfc-l@mm.list.cornell.edu/maillist.html (archives 
from 10/15/2017 through 8/11/2020)

Hope this is useful, and good night-listening this fall!

Sincerely,
Chris T-H


On Aug 17, 2020, at 9:48 AM, Gretchen Nareff 
mailto:marshbir...@gmail.com>> wrote:

Good morning! I am excited to get involved in the world of NFCs. I first became 
interested when I participated in the NJ Audubon World Series of Birding in 
2005 and 2006 and saw the experts racking up the songbirds before dawn. I have 
some bootleg CDs that were made from Evans' and O'Brien's CD-ROMs back in the 
early 2000s. I dusted those off this weekend.

Anyway, I don't have equipment specifically for recording NFCs but I do have 10 
AudioMoth  recorders through work. I saw 
them listed as one option for recording NFCs so I'm going to throw a couple on 
my roof and see what I get. I am completely new to this and would love to 
invest in a mic setup.

--
Gretchen E. Nareff
Bennington, VT



To unsubscribe from the NFC list, click the following link:
http://list.uvm.edu/cgi-bin/wa?TICKET=NzM3Njg0IGN0aDRAQ09STkVMTC5FRFUgTkZDIMPGwNpkkphJ=SIGNOFF

--
Chris Tessaglia-Hymes
PO Box 488
8 Etna Lane
Etna, NY 13062
607-351-5740

*AND*

Chris Tessaglia-Hymes
Listowner, (Cornell) NFC-L
Ithaca, New York
c...@cornell.edu
NFC-L – Archives
NFC-L – Welcome and Basics
NFC-L – Rules and Information
NFC-L – Subscribe, Configuration and 
Leave








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Please submit your observations to eBird! ��http://ebird.org/content/ebird/
--

[nfc-l] Fwd: [VTBIRD] Nocturnal Flight Calls Listserv for Vermont

[Christopher T. Tessaglia-Hymes]

For those interested...

Sincerely,
Chris T-H

Sent from my iPhone



Begin forwarded message:

From: Richard Littauer 
mailto:richard.litta...@gmail.com>>
Date: August 11, 2020 at 12:55:45 EDT
To: vtb...@list.uvm.edu
Subject: [VTBIRD] Nocturnal Flight Calls Listserv for Vermont
Reply-To: Vermont Birds mailto:vtb...@list.uvm.edu>>

As many of you have already noticed, the birds are starting to move again.
Shorebirds are showing up on Lake Champlain. Weird migrants are getting
blown in by tropical storms. The woods are getting quieter. Chimney Swifts
and Ruby-throated Hummingbirds are disappearing. All of this means it's
time, again, for nocturnal flight call monitoring. NFC monitoring is the
fun and relatively obscure sport of setting up a microphone pointing at the
sky, recording passing migrants overnight, and then analyzing hours of
recordings the next day, using software to speed up the process.

In order to facilitate discussions in Vermont about NFCs, Larry Clarfeld
and I have set up a listserv at UVM just for talking about NFCs. If you're
interested in this topic, come join us!

Subscribe here: https://list.uvm.edu/cgi-bin/wa?A0=NFC (or, drop me or
Larry an email)

So far, it's relatively low-traffic, but we expect it to pick up when we
start posting checklists. We'd love to have more posters or interested
birders on it. You can always elect to have the list served as a digest, so
you can read it at your leisure once a week or month.

Our goal, this season, is to be much more stringent in our documentation of
individual birds, so that we can build a clear guide of what species we
know we can identify by NFC, and what species we can't.

Beyond that, as always, our goal is to simply have fun sitting and
listening like a ham radio operator, sharing birds that we'd almost never
see by daylight. I've logged Yellow-bellied Flycatchers, Cape May Warblers,
and Gray-cheeked/Bicknell Thrushes in downtown Montpelier, for instance.
Larry's already logged the first migrant of the season - a Canada Warbler,
in suburban Essex . What could be
more exciting than that?

Bird on,
Richard

--
Richard | birdinginvermont.com

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[nfc-l] Fwd: [VTBIRD] Nocturnal Flight Calls Listserv for Vermont

[Christopher T. Tessaglia-Hymes]

For those interested...

Sincerely,
Chris T-H

Sent from my iPhone



Begin forwarded message:

From: Richard Littauer 
mailto:richard.litta...@gmail.com>>
Date: August 11, 2020 at 12:55:45 EDT
To: vtb...@list.uvm.edu
Subject: [VTBIRD] Nocturnal Flight Calls Listserv for Vermont
Reply-To: Vermont Birds mailto:vtb...@list.uvm.edu>>

As many of you have already noticed, the birds are starting to move again.
Shorebirds are showing up on Lake Champlain. Weird migrants are getting
blown in by tropical storms. The woods are getting quieter. Chimney Swifts
and Ruby-throated Hummingbirds are disappearing. All of this means it's
time, again, for nocturnal flight call monitoring. NFC monitoring is the
fun and relatively obscure sport of setting up a microphone pointing at the
sky, recording passing migrants overnight, and then analyzing hours of
recordings the next day, using software to speed up the process.

In order to facilitate discussions in Vermont about NFCs, Larry Clarfeld
and I have set up a listserv at UVM just for talking about NFCs. If you're
interested in this topic, come join us!

Subscribe here: https://list.uvm.edu/cgi-bin/wa?A0=NFC (or, drop me or
Larry an email)

So far, it's relatively low-traffic, but we expect it to pick up when we
start posting checklists. We'd love to have more posters or interested
birders on it. You can always elect to have the list served as a digest, so
you can read it at your leisure once a week or month.

Our goal, this season, is to be much more stringent in our documentation of
individual birds, so that we can build a clear guide of what species we
know we can identify by NFC, and what species we can't.

Beyond that, as always, our goal is to simply have fun sitting and
listening like a ham radio operator, sharing birds that we'd almost never
see by daylight. I've logged Yellow-bellied Flycatchers, Cape May Warblers,
and Gray-cheeked/Bicknell Thrushes in downtown Montpelier, for instance.
Larry's already logged the first migrant of the season - a Canada Warbler,
in suburban Essex . What could be
more exciting than that?

Bird on,
Richard

--
Richard | birdinginvermont.com

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Please submit your observations to eBird! ��http://ebird.org/content/ebird/
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[nfc-l] Fwd: Night migration at Mt. P - brief recap

[Christopher T. Tessaglia-Hymes]

I realized this message may not have made it to the NFC-L eList, so I am only 
now forwarding it.

Good night-listening!

Sincerely,
Chris T-H

Begin forwarded message:

From: Bill Evans mailto:wrev...@clarityconnect.com>>
Subject: [cayugabirds-l] Night migration at Mt. P - brief recap
Date: August 24, 2019 at 11:05:26 AM EDT
To: CAYUGABIRDS-L 
mailto:cayugabird...@list.cornell.edu>>, 
NATURAL-HISTORY-L 
mailto:natural-histor...@list.cornell.edu>>
Reply-To: Bill Evans 
mailto:wrev...@clarityconnect.com>>

25-30 attended the impromptu nocturnal migration event on Mt. Pleasant last 
night, and it was not a case of the early bird gets the worm.  Opposite my big 
night prediction, the first hour or so was very slow with just a few calls 
heard, but it was a beautiful starry night with a very pleasant crowd to mingle 
with.

Those who stayed or arrived after 10:30pm got treated to steady migration that 
seemed to build as time went on. The action really got started when a raucous 
flock of green herons passed to the west. Thereafter were Black-crowned 
Night-Heron, Sora, Least Bittern, and shortly after midnight an American 
Bittern. Amidst the building flight was a steady passage of Veery and by 
midnight the “pink” of the Bobolink was regular. Also in the mix were a few 
Swainson’s Thrush and a Black-billed Cuckoo.

The warbler flight became steady after 11pm with Chestnut-sided and Common 
Yellowthroat the most prevalent identifiable calls along with some nice 
examples of Canada Warbler. Interestingly, American Redstarts didn’t start 
regular calling until around midnight.

Thanks to all who attended, and to the Cornell facilities and astronomy staff 
who facilitated use of the grounds at the Hartung-Boothroyd Observatory.  
Special thanks to Chris T-H for expert operation of and commentary on the 
spectrographic stream of the real-time audio produced by Cornell’s bioacoustic 
analysis software, “Raven”.

More savory details of the night coming in an article in the Cayuga Bird Club 
newsletter.

Bill Evans
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Please submit your observations to eBird<http://ebird.org/content/ebird/>!
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--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Please submit your observations to eBird! ��http://ebird.org/content/ebird/
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[nfc-l] Fwd: Night migration at Mt. P - brief recap

[Christopher T. Tessaglia-Hymes]

I realized this message may not have made it to the NFC-L eList, so I am only 
now forwarding it.

Good night-listening!

Sincerely,
Chris T-H

Begin forwarded message:

From: Bill Evans mailto:wrev...@clarityconnect.com>>
Subject: [cayugabirds-l] Night migration at Mt. P - brief recap
Date: August 24, 2019 at 11:05:26 AM EDT
To: CAYUGABIRDS-L 
mailto:cayugabird...@list.cornell.edu>>, 
NATURAL-HISTORY-L 
mailto:natural-histor...@list.cornell.edu>>
Reply-To: Bill Evans 
mailto:wrev...@clarityconnect.com>>

25-30 attended the impromptu nocturnal migration event on Mt. Pleasant last 
night, and it was not a case of the early bird gets the worm.  Opposite my big 
night prediction, the first hour or so was very slow with just a few calls 
heard, but it was a beautiful starry night with a very pleasant crowd to mingle 
with.

Those who stayed or arrived after 10:30pm got treated to steady migration that 
seemed to build as time went on. The action really got started when a raucous 
flock of green herons passed to the west. Thereafter were Black-crowned 
Night-Heron, Sora, Least Bittern, and shortly after midnight an American 
Bittern. Amidst the building flight was a steady passage of Veery and by 
midnight the “pink” of the Bobolink was regular. Also in the mix were a few 
Swainson’s Thrush and a Black-billed Cuckoo.

The warbler flight became steady after 11pm with Chestnut-sided and Common 
Yellowthroat the most prevalent identifiable calls along with some nice 
examples of Canada Warbler. Interestingly, American Redstarts didn’t start 
regular calling until around midnight.

Thanks to all who attended, and to the Cornell facilities and astronomy staff 
who facilitated use of the grounds at the Hartung-Boothroyd Observatory.  
Special thanks to Chris T-H for expert operation of and commentary on the 
spectrographic stream of the real-time audio produced by Cornell’s bioacoustic 
analysis software, “Raven”.

More savory details of the night coming in an article in the Cayuga Bird Club 
newsletter.

Bill Evans
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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] ITHACA: Nocturnal flight calls @ Mt. P Friday night

[Christopher T. Tessaglia-Hymes]

Please join Bill Evans and me tonight, Friday, August 23, 2019, for a late 
evening of night listening atop Mount Pleasant at the Hartung-Boothroyd 
Observatory, located East of Ithaca, NY.

The address for this location is: 553 Mount Pleasant Rd, Freeville, NY. The 
Observatory is located on the South side of Mount Pleasant Road.

We will mostly like be set up on the South side of the Observatory by 9:00pm, 
and plan to take down once the night flight calls diminish, by midnight, unless 
there is a more significant migration.

Birds should start moving after the end of Civil Twilight, which will be around 
9:00pm, and there will be a lull around 11:00pm, due to the Lake Ontario shadow.

Please take care when parking to avoid the roadside ditches and stay alert for 
passing cars.

Because microphones will be set up and people listening, please try to keep 
voices to a whisper as you approach or while you hang out with the group.

What to bring: flashlight, chair, warm clothes or a blanket. It will be clear, 
damp, and cool, with a low around 50ºF.

Good night listening wherever you are!

Sincerely,
Chris T-H

More information from Bill Evans, below.



Begin forwarded message:

From: Bill Evans mailto:wrev...@clarityconnect.com>>
Subject: [cayugabirds-l] Nocturnal flight calls @ Mt. P Friday night
Date: August 22, 2019 at 10:21:47 PM EDT
To: Cayuga Birds mailto:cayugabird...@cornell.edu>>, 
natural history network 
mailto:natural-histor...@list.cornell.edu>>
Reply-To: Bill Evans 
mailto:wrev...@clarityconnect.com>>

Greetings birders,
There will be public night flight call listening session tomorrow night 
(Friday) near the Hartung-Boothroyd Observatory atop Mount Pleasant Rd., a few 
miles east of Ithaca from 8:30pm to 11pm or later.

The forecast is for a clear sky with north wind 5-10 mph. Birds will be high 
but we’ll have microphones and other tools to help tune in.

I expect a steady flight of Bobolink & Veery, as well as lots & lots of 
warblers. Based on this time in past years, 30% of the warbler calls will be 
about equally from American Redstart, Chestnut-sided Warbler, and Ovenbird. 20% 
(1 in 5) will be what are often referred to as “zeeps”, short modulated 
(slightly buzzy) calls from a complex of species very difficult to distinguish 
by ear (mostly likely tomorrow night are Magnolia & Blackburnian, but also 
Yellow, Blackpoll and maybe even Cerulean). Less common will be the distinctive 
night flight call of Canada Warbler (~ 1 out of every 30 warbler calls) and the 
more difficult but still distinctive Mourning Warbler (~1 out of every 50 
warbler calls). You can hear these calls online at: 
http://oldbird.org/pubs/fcmb/species/warblers/warblers.htm

There will be many of other species in the mix tomorrow night and maybe the 
first Tompkins County record of Upland Sandpiper in more than a year.

We usually have this listening session in September, but tomorrow night is 
really looking good, with shades of once in a lifetime, and of course it’s a 
Friday night!

More info posted tomorrow.

Bill Evans


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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] ITHACA: Nocturnal flight calls @ Mt. P Friday night

[Christopher T. Tessaglia-Hymes]

Please join Bill Evans and me tonight, Friday, August 23, 2019, for a late 
evening of night listening atop Mount Pleasant at the Hartung-Boothroyd 
Observatory, located East of Ithaca, NY.

The address for this location is: 553 Mount Pleasant Rd, Freeville, NY. The 
Observatory is located on the South side of Mount Pleasant Road.

We will mostly like be set up on the South side of the Observatory by 9:00pm, 
and plan to take down once the night flight calls diminish, by midnight, unless 
there is a more significant migration.

Birds should start moving after the end of Civil Twilight, which will be around 
9:00pm, and there will be a lull around 11:00pm, due to the Lake Ontario shadow.

Please take care when parking to avoid the roadside ditches and stay alert for 
passing cars.

Because microphones will be set up and people listening, please try to keep 
voices to a whisper as you approach or while you hang out with the group.

What to bring: flashlight, chair, warm clothes or a blanket. It will be clear, 
damp, and cool, with a low around 50ºF.

Good night listening wherever you are!

Sincerely,
Chris T-H

More information from Bill Evans, below.



Begin forwarded message:

From: Bill Evans mailto:wrev...@clarityconnect.com>>
Subject: [cayugabirds-l] Nocturnal flight calls @ Mt. P Friday night
Date: August 22, 2019 at 10:21:47 PM EDT
To: Cayuga Birds mailto:cayugabird...@cornell.edu>>, 
natural history network 
mailto:natural-histor...@list.cornell.edu>>
Reply-To: Bill Evans 
mailto:wrev...@clarityconnect.com>>

Greetings birders,
There will be public night flight call listening session tomorrow night 
(Friday) near the Hartung-Boothroyd Observatory atop Mount Pleasant Rd., a few 
miles east of Ithaca from 8:30pm to 11pm or later.

The forecast is for a clear sky with north wind 5-10 mph. Birds will be high 
but we’ll have microphones and other tools to help tune in.

I expect a steady flight of Bobolink & Veery, as well as lots & lots of 
warblers. Based on this time in past years, 30% of the warbler calls will be 
about equally from American Redstart, Chestnut-sided Warbler, and Ovenbird. 20% 
(1 in 5) will be what are often referred to as “zeeps”, short modulated 
(slightly buzzy) calls from a complex of species very difficult to distinguish 
by ear (mostly likely tomorrow night are Magnolia & Blackburnian, but also 
Yellow, Blackpoll and maybe even Cerulean). Less common will be the distinctive 
night flight call of Canada Warbler (~ 1 out of every 30 warbler calls) and the 
more difficult but still distinctive Mourning Warbler (~1 out of every 50 
warbler calls). You can hear these calls online at: 
http://oldbird.org/pubs/fcmb/species/warblers/warblers.htm

There will be many of other species in the mix tomorrow night and maybe the 
first Tompkins County record of Upland Sandpiper in more than a year.

We usually have this listening session in September, but tomorrow night is 
really looking good, with shades of once in a lifetime, and of course it’s a 
Friday night!

More info posted tomorrow.

Bill Evans


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--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Re: [nfc-l] noise with OB21c microphone + solid state recording using AC power

[Christopher T. Tessaglia-Hymes]

Hey Wim,

Glad to hear that the grounding solution was in fact the easiest fix, for now. 
Yeah, extra wiring is ugly, but sometimes it’s necessary to make things work 
out.

Sincerely,
Chris T-H


On Sep 20, 2018, at 1:40 PM, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

Thanks everyone for your suggestions. Chris was right: I needed to ground my 
recorder. The buzz stopped as soon as I wired the headphone jack to a gas pipe 
in my house. While my Marantz PMD661 is a nice recorder, it apparently is not 
designed to be powered by AC while getting its signal from another AC powered 
microphone. In the long run I will probably get myself a proper external 
battery for the recorder, but for the moment I'll fix this with some ugly 
wiring.

Thanks again.

Wim van Dam
Solvang, CA, USA

On Thu, Sep 20, 2018 at 1:08 AM, Magnus Robb 
mailto:magnus.r...@me.com>> wrote:
Wim, I don’t know if your Marantz accepts external USB power. If it does you 
could buy a high capacity powerbank (say, 2mAh or more), connecting it with 
a USB cable, and that would probably solve both problems: autonomy and noise.

all the best,

Magnus Robb


On 20 Sep 2018, at 00:13:39, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

[I'm not sure if this newsgroup is still alive, but here goes.]

This week I finally installed my OldBird 21c microphone and I'm having some 
noise issues. In my setting I use a Marantz solid state recorder for my 
recordings. When I power this recorder with its standard AA batteries, things 
are fine but it does not allow me to record for more than a few hours. When I 
use AC power for the recorder instead, a lot of noise shows up at 1500Hz, 
1620Hz, 1740Hz, 1860Hz, etc. Likely this has to do with the fact that the 
recorder and the OB21c microphone use the same AC outlet.

What is the best solution to this problem?

Thanks
Wim van Dam
Solvang, CA, USA

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Re: [nfc-l] noise with OB21c microphone + solid state recording using AC power

[Christopher T. Tessaglia-Hymes]

Hey Wim,

Glad to hear that the grounding solution was in fact the easiest fix, for now. 
Yeah, extra wiring is ugly, but sometimes it’s necessary to make things work 
out.

Sincerely,
Chris T-H


On Sep 20, 2018, at 1:40 PM, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

Thanks everyone for your suggestions. Chris was right: I needed to ground my 
recorder. The buzz stopped as soon as I wired the headphone jack to a gas pipe 
in my house. While my Marantz PMD661 is a nice recorder, it apparently is not 
designed to be powered by AC while getting its signal from another AC powered 
microphone. In the long run I will probably get myself a proper external 
battery for the recorder, but for the moment I'll fix this with some ugly 
wiring.

Thanks again.

Wim van Dam
Solvang, CA, USA

On Thu, Sep 20, 2018 at 1:08 AM, Magnus Robb 
mailto:magnus.r...@me.com>> wrote:
Wim, I don’t know if your Marantz accepts external USB power. If it does you 
could buy a high capacity powerbank (say, 2mAh or more), connecting it with 
a USB cable, and that would probably solve both problems: autonomy and noise.

all the best,

Magnus Robb


On 20 Sep 2018, at 00:13:39, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

[I'm not sure if this newsgroup is still alive, but here goes.]

This week I finally installed my OldBird 21c microphone and I'm having some 
noise issues. In my setting I use a Marantz solid state recorder for my 
recordings. When I power this recorder with its standard AA batteries, things 
are fine but it does not allow me to record for more than a few hours. When I 
use AC power for the recorder instead, a lot of noise shows up at 1500Hz, 
1620Hz, 1740Hz, 1860Hz, etc. Likely this has to do with the fact that the 
recorder and the OB21c microphone use the same AC outlet.

What is the best solution to this problem?

Thanks
Wim van Dam
Solvang, CA, USA

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Re: [nfc-l] noise with OB21c microphone + solid state recording using AC power

[Christopher T. Tessaglia-Hymes]

Is the Marantz powered with a two prong AC to DC power supply, or is it also 
grounded? It might be worth trying to ground the Marantz recorder housing to 
house ground. I had a similar problem with a home stereo system and the 21c 
OldBird flowerpot mic. Grounded the stereo to house ground and the 60Hz noise 
vanished. Just a thought and worth a try...

Good luck!!

Sincerely,
Chris T-H

Sent from my iPhone



On Sep 19, 2018, at 19:14, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

[I'm not sure if this newsgroup is still alive, but here goes.]

This week I finally installed my OldBird 21c microphone and I'm having some 
noise issues. In my setting I use a Marantz solid state recorder for my 
recordings. When I power this recorder with its standard AA batteries, things 
are fine but it does not allow me to record for more than a few hours. When I 
use AC power for the recorder instead, a lot of noise shows up at 1500Hz, 
1620Hz, 1740Hz, 1860Hz, etc. Likely this has to do with the fact that the 
recorder and the OB21c microphone use the same AC outlet.

What is the best solution to this problem?

Thanks
Wim van Dam
Solvang, CA, USA
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Re: [nfc-l] noise with OB21c microphone + solid state recording using AC power

[Christopher T. Tessaglia-Hymes]

Is the Marantz powered with a two prong AC to DC power supply, or is it also 
grounded? It might be worth trying to ground the Marantz recorder housing to 
house ground. I had a similar problem with a home stereo system and the 21c 
OldBird flowerpot mic. Grounded the stereo to house ground and the 60Hz noise 
vanished. Just a thought and worth a try...

Good luck!!

Sincerely,
Chris T-H

Sent from my iPhone



On Sep 19, 2018, at 19:14, Wim van Dam 
mailto:wim.van@gmail.com>> wrote:

[I'm not sure if this newsgroup is still alive, but here goes.]

This week I finally installed my OldBird 21c microphone and I'm having some 
noise issues. In my setting I use a Marantz solid state recorder for my 
recordings. When I power this recorder with its standard AA batteries, things 
are fine but it does not allow me to record for more than a few hours. When I 
use AC power for the recorder instead, a lot of noise shows up at 1500Hz, 
1620Hz, 1740Hz, 1860Hz, etc. Likely this has to do with the fact that the 
recorder and the OB21c microphone use the same AC outlet.

What is the best solution to this problem?

Thanks
Wim van Dam
Solvang, CA, USA
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[nfc-l] ADMIN: Cornell Server Crash

[Christopher T. Tessaglia-Hymes]

As some of you may be aware, several services operated by CIT at Cornell were 
affected by a CIT server farm crash. Of the affected services, this includes 
eLists hosted by the primary Lyris server (eLists such as NYSbirds-L and 
Cayugabirds-L). The good news is that NFC-L was recently migrated to a 
different server, as a test, which would allow for posting of larger 
attachments. As such, NFC-L was unaffected by the server farm crash.

Any messages sent to the other affected eLists will remain in queue and be 
distributed once the servers come back online.

Details are may be found here: 
https://itservicealerts.hosting.cornell.edu/view/4982

Updates are provided here: https://itservicealerts.hosting.cornell.edu/allalerts

Good birding and night flight call listening!

Sincerely,
Chris T-H

--
Chris Tessaglia-Hymes
Listowner, NFC-L
Ithaca, New York
c...@cornell.edu
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Re: [nfc-l] Barn Owl (?) - southwestern Pennsylvania

[Christopher T. Tessaglia-Hymes]

No hesitation on my part: BARN OWL. Nice recording, Geoff, and thanks for 
sharing!

Sincerely,
Chris T-H

Sent from my iPhone



On May 27, 2017, at 23:06, Geoff Malosh 
mailto:pomar...@earthlink.net>> wrote:

With the attachment this time … sigh.

Geoff

From: Geoff Malosh [mailto:pomar...@earthlink.net]
Sent: Saturday, May 27, 2017 11:05 PM
To: NFC-L@cornell.edu
Subject: Barn Owl (?) - southwestern Pennsylvania

Hi folks,

Hope everyone is having a good spring season. I wanted to run the attached call 
by this list before making a definitive statement about it .. to me this sounds 
like a perfect match for Barn Owl. The reason I hesitate is two-fold: first, I 
have no personal experience with this species’ NFC, and second, it is an 
extremely rare species in my area (southwestern Pennsylvania). The clip is 30 
seconds long and the bird calls at around 3 seconds and at 28 seconds. These 
are two of four calls in the series. The two calls not included are much 
fainter and on either side of the two in the attached recording, in other 
words, this seemed pretty clearly to be a bird on the move and not some local 
animal near the microphone making a screeching sound.

The attachment is about 1.3 MB so I hope it goes through, per the Lyris upgrade 
that Chris mentioned earlier this year.

Best regards, and good listening.

Geoff

Geoff Malosh
Pittsburgh, Pennsylvania
www.flickr.com/photos/geoffmalosh/

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[nfc-l] ADMIN: NFC eList Update

[Christopher T. Tessaglia-Hymes]

Good morning!

As spring migration gets under way, I thought I would let you all know that the 
NFC-L eList also recently migrated – to a new Lyris eList server platform. As 
part of a pilot test, this new platform includes an increase in allowable total 
message size to around 5MB; this is a significant file size increase from the 
former limit of around 900KB. This should greatly improve our ability to share 
attached NFC-related files with each other and to the greater NFC community.

Please note that I also set the eList so that any reply to a message goes to 
the entire eList – if this becomes a problem, I may revert back to the former 
setting of reply to sender.

Please let me know if you encounter any issues with messages being sent to or 
received from this eList.

Thanks and good NFC listening!!

Sincerely,
Chris T-H

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Re: [nfc-l] Strange call over sw. Pennsylvania, April 16

[Christopher T. Tessaglia-Hymes]

Hi Geoff,

To my ear, this sounds like a variant of the more typical “ke-eer” Virginia 
Rail NFC. I very briefly listened to some of my recorded Virginia Rail NFCs, 
and this is similar-enough. Though, I could be incorrect…does anyone have other 
considerations?

Thanks for sharing, Geoff!

Sincerely,
Chris T-H

On Apr 17, 2017, at 8:26 PM, Geoff Malosh 
mailto:pomar...@earthlink.net>> wrote:

Hope everyone is having a nice spring so far. I am interested in opinions on 
the attached calls that I captured over sw. Pennsylvania the morning of April 
16 (1:42am). It doesn’t quite fit anything I can think of myself. One thing 
that came to mind is a slightly higher, slightly less defined “kee-yarr” of a 
Common Tern. Another thought was King Rail, though it sounds too high pitched 
for that, and I can’t find an example of Virginia Rail giving a call quite like 
this. I could certainly be missing something else much more obvious, maybe a 
shorebird or some other gull/tern, or even an odd call of a local bird. That 
said, the call was captured twice, 53 seconds apart, with the second call 
obviously more distant than the first. I included both just to give a sense of 
the relative intensity of each call 53 seconds apart, though they are otherwise 
pretty much identical.

Thanks very much,
Geoff


Geoff Malosh
Pittsburgh, Pennsylvania
www.flickr.com/photos/geoffmalosh/<http://www.flickr.com/photos/geoffmalosh/>

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[nfc-l] TEST

[Christopher T. Tessaglia-Hymes]

This is a test message, please disregard.


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[nfc-l] Re: [nfc-l] Live Stream Seminar – Andrew Farnsworth on Perspectives on Nocturnal Bird Migration: What We've Learned from BirdCast

[Christopher T. Tessaglia-Hymes]

This question came up:

If one can’t watch the live stream, will it become available online for viewing 
at a later date?

The answer is: Yes.

I found the link here, although I don’t know how long it takes for the seminar 
to post to the archive:

https://www.allaboutbirds.org/our-free-viewable-archive-of-livestreamed-seminars/

Hope this helps!

Sincerely,
Chris T-H


On Mar 6, 2017, at 4:31 PM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:

I thought some of you might be interested in tuning into this seminar, tonight, 
from 7:30pm to 9:00pm EST.

Here are the details, with the link below:

Monday March 6, 2017, 7:30pm–9:00pm

Monday Night Seminar

Title: Perspectives on Nocturnal Bird Migration: What we've learned from 
BirdCast

Speaker: Dr. Andrew Farnsworth, Research Associate, Information Science, The 
Cornell Lab of Ornithology

Description: Bird migration is a spectacular global phenomenon that has long 
captured the attention of human observers. But it wasn’t until the turn of the 
20th century that ornithologists realized the magnitude of migration that 
occurred at night. Now in the early 21st century, several technologies have 
advanced sufficiently far to allow us to achieve new understandings of the 
magnitude and characteristics of nocturnal bird migration across a broad range 
of scales in new and different ways. The BirdCast project is a collaborative 
effort between ornithologists and computer scientists to further our 
understanding of the biology of bird migration by using state of the art 
machine learning and computer science techniques in combination with data 
collected with remote sensing methods, like radar and acoustic monitoring, to 
achieve these understandings. Dr. Andrew Farnsworth will speak about some of 
the novel insights gleaned and results produced so far from this fascinating 
project.

This seminar is being streamed live.

Cut and past this web address to watch it and to sign up for alerts about 
upcoming presentations:

http://dl.allaboutbirds.org/cornelllab-monday-night-seminars

Sincerely,
Chris T-H

--
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Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
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Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Live Stream Seminar – Andrew Farnsworth on Perspectives on Nocturnal Bird Migration: What We've Learned from BirdCast

[Christopher T. Tessaglia-Hymes]

I thought some of you might be interested in tuning into this seminar, tonight, 
from 7:30pm to 9:00pm EST.

Here are the details, with the link below:

Monday March 6, 2017, 7:30pm–9:00pm

Monday Night Seminar

Title: Perspectives on Nocturnal Bird Migration: What we've learned from 
BirdCast

Speaker: Dr. Andrew Farnsworth, Research Associate, Information Science, The 
Cornell Lab of Ornithology

Description: Bird migration is a spectacular global phenomenon that has long 
captured the attention of human observers. But it wasn’t until the turn of the 
20th century that ornithologists realized the magnitude of migration that 
occurred at night. Now in the early 21st century, several technologies have 
advanced sufficiently far to allow us to achieve new understandings of the 
magnitude and characteristics of nocturnal bird migration across a broad range 
of scales in new and different ways. The BirdCast project is a collaborative 
effort between ornithologists and computer scientists to further our 
understanding of the biology of bird migration by using state of the art 
machine learning and computer science techniques in combination with data 
collected with remote sensing methods, like radar and acoustic monitoring, to 
achieve these understandings. Dr. Andrew Farnsworth will speak about some of 
the novel insights gleaned and results produced so far from this fascinating 
project.

This seminar is being streamed live.

Cut and past this web address to watch it and to sign up for alerts about 
upcoming presentations:

http://dl.allaboutbirds.org/cornelllab-monday-night-seminars

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Re: [nfc-l] Probable BICKNELL'S

[Christopher T. Tessaglia-Hymes]

Preston,

While I’m certainly no expert on Bicknell’s calls, and likewise defer to 
others, I’ve definitely been paying attention to possible calls and I’ve been 
trying to tease apart possible characteristics more consistent with Bicknell’s 
versus Gray-cheeked.

I took a little time last night to manipulate your recordings to make them more 
audible – I had to increase amplitude by at least 15-20 times and added 
duplicate sound to the front end of the calls to give my brain time to adjust 
and to hear the call of interest.

The first call, which peaked nicely around 5.3 kHz, I personally would have no 
hesitation in labeling as a Bicknell’s Thrush. Likewise, the second call, which 
peaks right around 5.1 kHz, I’d say has solid potential as a Bicknell’s Thrush.

Echoing Matt’s comment, the very steep and sharp onset of the call is a 
characteristic I’m suspicious may be more reliably unique to Bicknell’s 
Thrushes. Similar to how Gray-cheeked Thrush calls can peak all over the place 
between 3 kHz and darned close to 5 kHz, there may be some acceptable 
Bicknell’s that are actually lower-frequency callers, below 5 kHz, and possibly 
identifiable simply by the structure of the call, rather than purely by the 
peak frequency – although high frequency is a dead ringer (if above 5 kHz) for 
Bicknell’s.

Hope this helps, if at least somewhat…thoughts?

Sincerely,
Chris T-H



On Oct 5, 2016, at 7:16 PM, Preston Lust 
mailto:prestonl...@yahoo.com>> wrote:


10/4-5/16, 8:00 PM-6:30 AM -- Yard, Westport CT


While looking over recordings from this night, I came across two calls that 
appeared to me significantly higher and purer-toned than standard gray-cheeked 
calls. Both peak at around 5 kHz. The call at 2.55.46 is the highest of the 
two, and thus more likely Bicknell's. Am I correct in calling them BITH? Thank 
you for any assistance.


Preston Lust, Westport CT
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Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
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[nfc-l] Virtual Meet and Greet

[Christopher T. Tessaglia-Hymes]

Good morning!

As previously mentioned, below is the current list of subscribers (sans email 
addresses) to the NFC-L eList (346 total). Hopefully, this will give everyone 
clarity in knowing who they are speaking to when posting or contributing.

That being said, not all subscribed email addresses are set to actively receive 
emails; further, there are at least three subscribed mail archive addresses 
which may broaden the reader base to a potentially larger, more anonymous 
audience of persons interested in night flight calls.

Thanks again to all readers and contributors and good night listening!

Sincerely,
Chris T-H

Listowner, NFC-L
Ithaca, NY

PS - if you are not currently subscribed and wish to do so, please visit the 
“subscribe” link at the bottom or email me off-list.



First Name  Last Name   Date Joined
Alfred  Adamo   8/22/09
EvanAdams   11/8/11
JoshAdams   2/25/13
MarkAdams   8/20/09
Wilken T.   Agster  8/26/09
Andrew  Albright8/19/09
Danny   Allen   4/3/12
MikeAllen   9/21/12
David   Allinson8/26/13
Amy Amones  8/21/09
Michael Andersen2/18/14
Joyce   Angleberger 8/27/09
JohnArvin   1/4/12
Tom Auer6/26/14
Marcia  Balestri8/20/09
LynnBarber  8/19/09
Olivier Barden  8/19/09
Peter   Barnes  10/20/09
Maurice Barnhill10/28/10
Jessie  Barry   4/27/09
Keith   Bartels 8/20/09
Jason   Beason  2/3/11
Colin   Beattie 10/14/09
JeanBeaudreault 8/19/09
FredericBeaudry 3/20/12
Andrew  Bernick 8/19/09
Andrew  Birch   9/6/09
The Birding Lists Digest7/26/12
JohnBissell 8/19/09
Steve   Blain   11/22/10
JeffBolsinger   9/3/09
Brent   Bomkamp 2/6/11
Jon Boone   8/25/09
Kevin   Brady   8/20/09
Aaron   Brees   8/19/09
Rachel  Bricklin5/4/09
Tayler  Brooks  8/24/09
MerrileeBrown   9/10/10
Steve   Broyles 4/28/09
Gerhard Bruins  4/21/15
GregBudney  8/19/09
Jeffrey Buler   9/27/11
Ben Cacace  11/4/09
Jackie  Canterbury  8/25/09
AnneCaramanico  5/23/10
Ed  Carlson 8/4/10
EricCarpenter   11/4/11
JohnCecil   8/25/09
RussCharif  4/24/09
Allen   Chartier8/28/09
Harold  Cheyne  12/23/09
Steve   Chorvas 8/19/09
David   Christie8/25/10
James   Churchill   8/24/14
J. Alan Clark   8/25/09
J.  Clayton 8/19/09
Benjamin M. Clock   9/13/09
Caitlin Coberly 8/24/09
JoanCollins 7/30/10
Barbara Combs   8/22/09
Jacob C.Cooper  2/3/11
Ben Coulter 8/19/09
BramCrevits 3/14/11
Ian Cruickshank 8/31/10
Thelma  Dalmas  8/29/09
AlexDalton  7/15/14
Jim Danzenbaker 4/29/09
Chuck   Davis   8/22/09
GlenDavis   8/19/09
Andrew  Davis   4/29/09
Deanna K.   Dawson  4/27/09
ToddDay 8/19/09
Nathan  DeBruine4/13/12
EmmaDeLeon  9/9/10
RoseannaDenton  8/19/09
Tom Dietterich  8/23/09
Thomas  Dougherty   8/29/09
Diana   Doyle   12/7/11
Andrew  Dreelin 9/30/14
PaulDriver  8/19/09
MattDufort  8/25/09
Ethan   Duke2/27/11
Simon   Duval   8/19/09
Nelson  Edwards 12/16/11
Bryan   Ehlmann 9/14/09
Mandy   Ehnes   7/2/14
Susan   Elbin   9/2/09
Jesse   Ellis   5/18/11
BillElrick  10/25/11
Quinn   Emmering9/7/16
JodyEnck8/19/09
Laura   Erickson8/19/09
Nacho   Escorriola Giovannini   9/3/12
BillEvans   4/24/09
Harold  Eyster  10/11/11
MikeFarmer  9/1/09
Andrew  Farnsworth  4/24/09
MikeFeely   8/22/09
Rob Fergus  8/20/09
Pedro   Fernandes   9/9/09
Harold  Figueroa6/7/10
Martha  Fischer 8/25/09
Ted Floyd   4/28/09
JenniferFoote   8/4/13
Jason   Forbes  3/17/10
Laurie  Foss8/19/09
Laurent Fournier6/7/11
Tom Fowler  4/24/09
Charles Francis 11/2/11
Don Freiday 9/10/12
JonathanFrodge  8/21/09
Marcel  Gahbauer7/31/09
Samuel  Galick  8/19/09
TonyGallucci8/19/09
Dominic Garcia-Hall 4/2/15
Martin  Garner  8/22/12
JohnGarrett 9/1/09
MattGarvey  4/1/10
Jeffrey A.  Gerbracht   4/30/09
MattGoff8/19/09
Laura C.Gooch   9/16/10
Jeffrey Gordon  8/19/09
B. Max  Gotz6/8/13
Thomas  Greg9/3/09
Lewis   Grove   4/27/09
Bryan   Guarente2/23/14
Jason   Guerard 8/31/09
Sergio  Guerrero8/31/09
Dan Gusset  9/23/11
MattHafner  8/19/09
Joyanne Hamilton8/25/09
MikeHannisian   5/23/10
Jeffrey Hanson  8/19/09
Meena   Haribal 8/13/09
Norma   Hart9/14/11
David   Hartley 8/18/09
Rachel  Hasson  5/11/15
DeanHawthorne   8/22/09
Christopher M.  Heckscher   8/25/09
David   Hedeen  9/12/09
Meg Hedeen  5/16/12
Kevin   Heist   9/17/09
Jim Hengeveld   8/20/09
Nathan  Hentze  12/21/12
Sabrina Hepburn 10/5/13
Wil Hershberger 9/12/12
PaulHertzel 8/20/09
JeffHolbrook9/3/09
AndyHorn8/19/09
KyleHorton  8/25/09
Debbie  House   8/13/11
BillHubick  8/20/09
PaulHurtado 7/23/12
Corey   Husic   5/21/13
Lawrence D. Igl 9/3/09
Marshall 

[nfc-l] Bicknell's Thrush - More Classic Example

[Christopher T. Tessaglia-Hymes]

Albeit soft and slightly distant, this bird was recorded over Etna, NY on 23 
September 2016 at 23:25.

I would consider this to be a classic example because its peak frequency is 
above the 5kHz “safety” demarkation line.

This bird peaks around 5.25 kHz and has an overall duration of about 250 
milliseconds. Similar to the “possible Bicknell’s Thrush” examples posted 
yesterday, the sharp onset followed by a variably modulated and notably longer 
trailing descent is the call structure which caught my eye while browsing 
through my data last night.

Attached are both the recorded call (with some lower cricket and noise bands 
gently filtered out) and a screen grab of the call for visual representation.

Good night listening!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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ETNA_NY_20160923_232554_BICKNELL'S THRUSH-edited.wav
Description: ETNA_NY_20160923_232554_BICKNELL'S THRUSH-edited.wav

Correction - Re: [nfc-l] Possible Bicknell's Thrushes

[Christopher T. Tessaglia-Hymes]

Correction:  **Westward** shift of birds departing the Adirondacks!




On Sep 25, 2016, at 7:02 PM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:

On Saturday night, there was a cleanup flight following Friday’s awesome night 
migration. Among the scattering of calls throughout the night, I recorded a 
total of 10 possible Bicknell’s Thrush night flight calls. Each of the calls 
peaked above 4.0 kHz with the highest two calls peaking around 4.8 kHz. While 
none are “clear” Bicknell’s Thrush calls (peaking above 5 kHz), the structure 
of the calls (sharp onset followed by a variably modulated and notably longer 
trailing descent) are very reminiscent of Bicknell’s Thrush call examples which 
are noted in the Evans and O'Brien Flight Calls of Migratory Birds CD-ROM.

Overnight Saturday to Sunday morning, there was a notably Eastern component to 
the winds over Etna, NY. This could potentially account for an Eastward shift 
of birds departing from their mountaintop breeding grounds in the Adirondacks.

While I realize these could arguably be particularly high frequency calls from 
Gray-cheeked Thrushes, it would likewise seem reasonable that these could be 
lower frequency Bicknell’s Thrushes. So much is yet to be learned about sexual- 
and age-related differences in calling frequencies of these two species.

Attached are the first five calls, with the remaining five appearing in a 
separate message to the NFC-L eList.

I welcome any feedback, and good night listening!

Sincerely,
Chris T-H








--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
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[nfc-l] Possible Bicknell's Thrushes - Part 2

[Christopher T. Tessaglia-Hymes]

Attached are the latter five calls pertaining to the message below.


On Saturday night, there was a cleanup flight following Friday’s awesome night 
migration. Among the scattering of calls throughout the night, I recorded a 
total of 10 possible Bicknell’s Thrush night flight calls. Each of the calls 
peaked above 4.0 kHz with the highest two calls peaking around 4.8 kHz. While 
none are “clear” Bicknell’s Thrush calls (peaking above 5 kHz), the structure 
of the calls (sharp onset followed by a variably modulated and notably longer 
trailing descent) are very reminiscent of Bicknell’s Thrush call examples which 
are noted in the Evans and O'Brien Flight Calls of Migratory Birds CD-ROM.

Overnight Saturday to Sunday morning, there was a notably Eastern component to 
the winds over Etna, NY. This could potentially account for an Eastward shift 
of birds departing from their mountaintop breeding grounds in the Adirondacks.

While I realize these could arguably be particularly high frequency calls from 
Gray-cheeked Thrushes, it would likewise seem reasonable that these could be 
lower frequency Bicknell’s Thrushes. So much is yet to be learned about sexual- 
and age-related differences in calling frequencies of these two species.

Attached are the first five calls, with the remaining five appearing in a 
separate message to the NFC-L eList.

I welcome any feedback, and good night listening!

Sincerely,
Chris T-H








--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp



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ETNA_NY_20160925_031837_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_031837_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_034057_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_034057_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_034437_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_034437_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_044717_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_044717_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_051847_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_051847_Possible Bicknell's Thrush.wav

[nfc-l] Possible Bicknell's Thrushes

[Christopher T. Tessaglia-Hymes]

On Saturday night, there was a cleanup flight following Friday’s awesome night 
migration. Among the scattering of calls throughout the night, I recorded a 
total of 10 possible Bicknell’s Thrush night flight calls. Each of the calls 
peaked above 4.0 kHz with the highest two calls peaking around 4.8 kHz. While 
none are “clear” Bicknell’s Thrush calls (peaking above 5 kHz), the structure 
of the calls (sharp onset followed by a variably modulated and notably longer 
trailing descent) are very reminiscent of Bicknell’s Thrush call examples which 
are noted in the Evans and O'Brien Flight Calls of Migratory Birds CD-ROM.

Overnight Saturday to Sunday morning, there was a notably Eastern component to 
the winds over Etna, NY. This could potentially account for an Eastward shift 
of birds departing from their mountaintop breeding grounds in the Adirondacks.

While I realize these could arguably be particularly high frequency calls from 
Gray-cheeked Thrushes, it would likewise seem reasonable that these could be 
lower frequency Bicknell’s Thrushes. So much is yet to be learned about sexual- 
and age-related differences in calling frequencies of these two species.

Attached are the first five calls, with the remaining five appearing in a 
separate message to the NFC-L eList.

I welcome any feedback, and good night listening!

Sincerely,
Chris T-H








--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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ETNA_NY_20160924_235708_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160924_235708_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_28_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_28_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_001158_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_001158_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_002708_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_002708_Possible Bicknell's Thrush.wav


ETNA_NY_20160925_004058_Possible Bicknell's Thrush.wav
Description: ETNA_NY_20160925_004058_Possible Bicknell's Thrush.wav

[nfc-l] PLEASE READ: Virtual Meet and Greet

[Christopher T. Tessaglia-Hymes]

Hello!

It has been several years since I’ve done this, but I thought it would be a 
good time to provide a list of who’s who for the currently subscribed users of 
NFC-L.

I realize there may be some individuals opposed of being “exposed” in this way, 
and I would like to respect that for those persons who wish not to be known.

My intent is to post a list of names only (no email addresses) to NFC-L, so 
that everyone knows who they are speaking to in this community of people with 
similar hobby or professional interests, and to help lessen the sense of NFC-L 
being a big black box.

If you are someone who is opposed to having their presence be known, for 
whatever the reason may be, please email me off-list and I’ll be sure not to 
include your name in the list of member names.

Thanks for understanding and good night listening everyone!

Sincerely,
Chris T-H

--
Chris Tessaglia-Hymes
Listowner, NFC-L
Ithaca, New York
c...@cornell.edu
NFC-L – Archives
NFC-L – Welcome and Basics
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Re: [nfc-l] NFCs Week of 9/3 through 9/9

[Christopher T. Tessaglia-Hymes]

cending call could be 
Yellow-rumped.

http://ebird.org/ebird/view/checklist/S31521300


http://ebird.org/ebird/view/checklist/S31521276

http://ebird.org/ebird/view/checklist/S31521225




Jerald

Delaware

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Jerald

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Christopher T. Tessaglia-Hymes
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Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Re: [nfc-l] Wing whistle or call

[Christopher T. Tessaglia-Hymes]

Hi Jerald,

Yes, those are wing whistles, probably from a couple of waterfowl flying over 
(sounds like two birds to me).

Sincerely,
Chris T-H



On May 17, 2016, at 10:44 PM, Jerald 
mailto:jrebel...@gmail.com>> wrote:

Hello again,

I'm not sure whether this is a wing whistle or if it's an NFC (probably some 
sort of shorebird if it's the latter).

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Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
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Re: [nfc-l] Short-billed Dowitcher?

[Christopher T. Tessaglia-Hymes]

Hey Jerald,

I just looked at and listened to the sounds in file "LESA 0112 5-11-16.aif”. 
This also sounds mechanical in nature to me, not biological.

Your original SBDO recording "Possible SBDO 0045 5-11-16.aif” sounds like it 
could be a SBDO, to me.

Thanks very much and keep on listening!

Sincerely,
Chris T-H


On May 12, 2016, at 1:17 AM, Jerald 
mailto:jrebel...@gmail.com>> wrote:

And another shorebird of some kind. I saved it as LESA, but I don't think 
that's what it is.

On Thu, May 12, 2016 at 12:53 AM, Jerald 
mailto:jrebel...@gmail.com>> wrote:
Hello again,

Sorry I'm posting so many of these. I think this one's a Short-billed Dowitcher?

Jerald
Delaware
--
Jerald




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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
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Re: [nfc-l] Possible Ovenbird

[Christopher T. Tessaglia-Hymes]

Hi Jerald,

It seems plausible that this could be an Ovenbird, but it doesn’t look/sound 
“classic” to me. Do you have other examples of these calls, which might be 
closer/louder?

Thanks!

Sincerely,
Chris T-H

On May 14, 2016, at 10:20 PM, Jerald 
mailto:jrebel...@gmail.com>> wrote:

I've had several of these calls this week. I think they're OVEN, but I'm not 
sure.

Jerald
Delaware
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ADMIN: Re: [nfc-l] Unknown call -- bittern?

[Christopher T. Tessaglia-Hymes]

Hi Geoff,

Thanks for posting to the NFC-L eList.

I cannot say for certain, but as you suggested, this doesn’t quite match the 
few “classic" examples that have been shared in the past. This call definitely 
seems to be on the low end, but could still be from a Least Bittern.

This eList has definitely encountered a long dormant period. I have to suspect 
that many of us have gotten very busy in the past couple of years, and perhaps 
NFC research has dwindled a bit – I personally have not been able to take time 
to actively record or review calls since early summer of last year.

While the Facebook NFC group does receive more usage and may be a future 
replacement to this eList, I don’t have any intention of shutting down this 
eList. Not everyone uses Facebook (believe it or not…), and we have no control 
over what Facebook decides to do with historic posts in the future. Most of the 
exchanges on this eList are archived here at The Mail Archive: 
http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html

I just read John’s response. Activity of a group, regardless of the social 
medium, relies on active back-and-forth participation. If nobody posts 
anything, there can’t be a dialogue – yet, there are over 350 subscribers to 
NFC-L...

Definitely, feel free to post brief clips (under 900kb – limit of the Lyris 
List Manager) of good recordings to share, discuss interesting observations 
made, pose questions about your research and observations, explain what 
equipment you use, and share what software or hardware solutions you have found 
to be most productive.

Hey, has anyone seen The Messenger documentary, yet?

Thanks, and wishing you all good night listening!

Sincerely,
Chris T-H


On Apr 26, 2016, at 11:06 PM, Geoff Malosh 
mailto:pomar...@earthlink.net>> wrote:

Hi everyone,

I captured the attached recording at 11:39pm on April 24 in southwestern 
Pennsylvania. I am wondering if this might be a Least Bittern. From what I can 
find, presumed Least Bittern nocturnal calls seem to be somewhat variable, with 
some higher pitched and some lower pitched, but all with a similar nasal 
quality and duration that the attached recording seems to share. This recording 
is certainly on the lower-pitched end of the spectrum and doesn’t completely 
match any Least Bittern examples I can find, though. Thanks for any input.


I’m also posting here out of curiosity as to whether this list is still active. 
It’s been pretty quiet for a long time I don’t mean just because it was winter 
recently. Really nothing posted here last fall or so far this spring. Has this 
list been more or less replaced by the NFC facebook group?


Thanks,

Geoff Malosh
Pittsburgh, PA

www.flickr.com/photos/geoffmalosh/

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[nfc-l] BARN OWL: Etna Night Migrant

[Christopher T. Tessaglia-Hymes]

Good morning!

Not expecting much overnight, given the long and heavy rainfall we received 
(nearly 2” of rain), after reviewing my night recording I am excited to report 
that I recorded a night migrating BARN OWL. This bird flew over our house in 
Etna, calling every 13-16 seconds, over the span of about two minutes from 3:32 
to 3:34 this morning.

For those interested, I have uploaded the full 2-minute file sequence to both 
SoundCloud and to Xeno-Canto. I’m not happy with SoundCloud because you can 
no-longer play a single track one time – immediately after a track plays, 
SoundCloud automatically begins playing another track of music that might be 
interesting to you. I have also uploaded the sequence to Xeno-Canto, but I was 
having some problems playing the clip in Safari (it played back fine using 
Chrome) – you can also download the file from either Xeno-Canto or SoundCloud 
and then play the file locally on your computer.

Here are the links:

http://www.xeno-canto.org/244100

https://soundcloud.com/cth4th/etna-ny-20150519033222-033422-barn-owl-calling-sequence-2-minutes

Night listening can be so cool!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
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http://ebird.org/content/ebird/

--

Re: [nfc-l] Etna, NY: Night Migration 7-8 May 2015

[Christopher T. Tessaglia-Hymes]

Hey Rob,

Yes, reviewing is the big challenge, especially if you get behind by a few 
days. I like hand browsing, and just looking for interesting stuff. If there is 
a good night of interest, I’ll try to log all calls. Of course, my main 
interest has been in Black-billed Cuckoos for the past few years. Neat 
mysterious birds. When you do focus on a single bird or on out-of-the-ordinary 
and other interesting calls, hand browsing can go quickly; but, it’s easy to 
get bogged down.

Keep it up and thanks for sharing mystery clips in the Facebook NFC group. Feel 
free to cross-post here, too! :-)

Sincerely,
Chris T-H


On May 8, 2015, at 9:51 PM, Rob Fergus 
mailto:birdcha...@hotmail.com>> wrote:

I’ve been recording almost every night all year, but have not been reviewing 
recordings until recently.  May 4-5 was good and the last night I’ve reviewed.  
I’ve got a good handful of birds I have no idea about—including a rail or tern 
type of call that I haven’t pinned down yet, that I posted on the NFC Facebook 
group.

I need to get into a groove of reviewing my recordings—it just takes a long 
time to go through a full night manually on my Mac.

Rob Fergus
Hunterdon County, NJ
birdcha...@hotmail.com<mailto:birdcha...@hotmail.com>
www.backyardbigyear.com<http://www.backyardbigyear.com/>
www.facebook.com/backyardbigyear<http://www.facebook.com/backyardbigyear>








On May 8, 2015, at 10:30 AM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:

Good morning!

I finally set up my personal flowerpot microphone on the roof in Etna, NY, 
yesterday evening, and then conducted my first overnight recording of the 
spring.

In general, it was fairly uneventful and quiet, with the exception of the 
Spring Peeper chorus, periodic trilling American Toads, and occasional calling 
Gray Treefrog.

In the Fingerlakes area of Upstate, NY, we are seeing a nearly unprecedented 
early leaf-out, or at least a leaf-out we haven’t seen this early in probably 
over a decade. This will make for interesting and sometimes challenging daytime 
birding, because so many more food resources are available as the bulk of 
migrants move through our region.

OK, onto the night recording. Early this morning, I quickly scanned through the 
recording from last night with the following notables, in no particular order:

Ovenbird (2 NFCs, 1 song)
White Throated Sparrow (5+ NFCs)
HF Sparrow seet (1 NFC)
Indigo Bunting (2 NFCs, 1 song, one of the NFC’s was a really nice clear call)
Wood Thrush (2 NFCs, 1 song - definite singer in flight, not from ground, which 
I think is a first for me as a singing flyover)
Common Yellowthroats (5 NFCs, 3 songs)
Chipping Sparrow (10+ NFCs, 7 songs - local bird triggered into song by flyover 
NFCs)
Least Sandpiper (1 “krt” series of calls)
Spotted Sandpiper (3-4 call sequences, possible local bird)
Virginia Rail (1 “k-kreeer" call)
Green Heron (4 “keow!” calls)
Baltimore Oriole (1 in-flight song)
Tree Swallow (dawn flight calls)
Canada Warbler (1 NFC)
Savannah Sparrow (4 NFCs)
Warbler sp (8 NFCs)
Song Sparrows (5+ songs, probably local birds)

It’s good to be listening and recording at night again!

Has anyone else out there been motivated to start recording or listening. What 
are you hearing?

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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--

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.b

Re: [nfc-l] Sora? Southwestern Pennsylvania May 4, 3:43am

[Christopher T. Tessaglia-Hymes]

Hi Geoff,

Glad to hear that you are out there recording, listening, and reviewing.

Thanks for sharing your recording of this interesting call.

I think I’ll stick my neck out there and say that I’m in the Whimbrel camp on 
this one. The cadence and quality seem right for Whimbrel; it’s not a perfect 
match, but I think it sounds best for Whimbrel. I don’t think this is Sora, 
because your recording sounds “beefier” than I’d expect for Sora. Also, the 
only Sora calls I’ve recorded have been the “ker-wee” calls, no whinnies. Have 
you tried searching Xeno-Canto for other Whimbrel examples that might be a 
better match?

Am I off on this one? Other thoughts?

Sincerely,
Chris T-H


On May 8, 2015, at 5:53 PM, Geoff Malosh 
mailto:pomar...@earthlink.net>> wrote:

Chris and all,

Yes, at least one other person out here has a microphone turned on. In fact 
during the overnight hours of May 4 here in suburban Pittsburgh I picked up a 
call that appears to be a Sora “whinnying” as it passed overhead. The recording 
is attached, because there are a few things I am unsure about it and would 
certainly appreciate any opinions. First, the call is somewhat strange because 
it is more or less all on one pitch, rather than rapidly rising in pitch and 
gradually descending like a typical Sora whinny call. I was also curious to 
know whether Soras are known to whinny while on nocturnal migration. I assume 
there is no reason why they couldn’t, but wasn’t sure if it’s more typical for 
them to give a different call while on passage.

I discussed with a few others and the only other possibility we came up with is 
a very early Whimbrel, but this seems unlikely by the messy start to the call 
sequence (which is more like Sora) and the fact that, to my ear at least, the 
“voice” of each note isn’t quite right for Whimbrel, but does match Sora well 
enough, including on the spectrogram.

Anyway, any input on whether this could be something other than a Sora would be 
appreciated.


Thanks very much,
Geoff Malosh
Pittsburgh, Pennsylvania


Geoff Malosh | Editor, Pennsylvania Birds
450 Amherst Avenue | Moon Township, PA 15108-2654 | 412.735.3128
pomar...@earthlink.net<mailto:pomar...@earthlink.net> | 
https://www.flickr.com/photos/geoffmalosh/
===
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  Preview the latest issue: http://www.pabirds.org/pabirds/pb_sample.html
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From: 
bounce-119145394-58130...@list.cornell.edu<mailto:bounce-119145394-58130...@list.cornell.edu>
 [mailto:bounce-119145394-58130...@list.cornell.edu] On Behalf Of Christopher 
T. Tessaglia-Hymes
Sent: Friday, May 08, 2015 10:31 AM
To: NFC-L
Subject: [nfc-l] Etna, NY: Night Migration 7-8 May 2015

Good morning!

I finally set up my personal flowerpot microphone on the roof in Etna, NY, 
yesterday evening, and then conducted my first overnight recording of the 
spring.

In general, it was fairly uneventful and quiet, with the exception of the 
Spring Peeper chorus, periodic trilling American Toads, and occasional calling 
Gray Treefrog.

In the Fingerlakes area of Upstate, NY, we are seeing a nearly unprecedented 
early leaf-out, or at least a leaf-out we haven’t seen this early in probably 
over a decade. This will make for interesting and sometimes challenging daytime 
birding, because so many more food resources are available as the bulk of 
migrants move through our region.

OK, onto the night recording. Early this morning, I quickly scanned through the 
recording from last night with the following notables, in no particular order:

Ovenbird (2 NFCs, 1 song)
White Throated Sparrow (5+ NFCs)
HF Sparrow seet (1 NFC)
Indigo Bunting (2 NFCs, 1 song, one of the NFC’s was a really nice clear call)
Wood Thrush (2 NFCs, 1 song - definite singer in flight, not from ground, which 
I think is a first for me as a singing flyover)
Common Yellowthroats (5 NFCs, 3 songs)
Chipping Sparrow (10+ NFCs, 7 songs - local bird triggered into song by flyover 
NFCs)
Least Sandpiper (1 “krt” series of calls)
Spotted Sandpiper (3-4 call sequences, possible local bird)
Virginia Rail (1 “k-kreeer" call)
Green Heron (4 “keow!” calls)
Baltimore Oriole (1 in-flight song)
Tree Swallow (dawn flight calls)
Canada Warbler (1 NFC)
Savannah Sparrow (4 NFCs)
Warbler sp (8 NFCs)
Song Sparrows (5+ songs, probably local birds)

It’s good to be listening and recording at night again!

Has anyone else out there been motivated to start recording or listening. What 
are you hearing?

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

--
NFC-L List Info:
Welcome and Basics<http://www.northe

[nfc-l] Grasshopper Sparrow and Black-billed Cuckoo

[Christopher T. Tessaglia-Hymes]

A couple of highlights from the past couple of nights:

Grasshopper Sparrow (I’m 98% confident…) called overhead twice, with the 
attached call being the loudest of the two, at 2:57am on 9 May.

Black-billed Cuckoo (first NFC for me this spring, yay!!) called overhead this 
morning, 10 May, at 4:53am; clip attached.

Good night listening!

Sincerely,
Chris T-H


[see attached file: ETNA_NY_20150509.025737_Grasshopper Sparrow.wav] [see 
attached file: ETNA_NY_20150510.045307_Black-billed Cuckoo YAY!.wav]

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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ETNA_NY_20150509.025737_Grasshopper Sparrow.wav
Description: ETNA_NY_20150509.025737_Grasshopper Sparrow.wav


ETNA_NY_20150510.045307_Black-billed Cuckoo YAY!.wav
Description: ETNA_NY_20150510.045307_Black-billed Cuckoo YAY!.wav

[nfc-l] Etna, NY: Night Migration 7-8 May 2015

[Christopher T. Tessaglia-Hymes]

Good morning!

I finally set up my personal flowerpot microphone on the roof in Etna, NY, 
yesterday evening, and then conducted my first overnight recording of the 
spring.

In general, it was fairly uneventful and quiet, with the exception of the 
Spring Peeper chorus, periodic trilling American Toads, and occasional calling 
Gray Treefrog.

In the Fingerlakes area of Upstate, NY, we are seeing a nearly unprecedented 
early leaf-out, or at least a leaf-out we haven’t seen this early in probably 
over a decade. This will make for interesting and sometimes challenging daytime 
birding, because so many more food resources are available as the bulk of 
migrants move through our region.

OK, onto the night recording. Early this morning, I quickly scanned through the 
recording from last night with the following notables, in no particular order:

Ovenbird (2 NFCs, 1 song)
White Throated Sparrow (5+ NFCs)
HF Sparrow seet (1 NFC)
Indigo Bunting (2 NFCs, 1 song, one of the NFC’s was a really nice clear call)
Wood Thrush (2 NFCs, 1 song - definite singer in flight, not from ground, which 
I think is a first for me as a singing flyover)
Common Yellowthroats (5 NFCs, 3 songs)
Chipping Sparrow (10+ NFCs, 7 songs - local bird triggered into song by flyover 
NFCs)
Least Sandpiper (1 “krt” series of calls)
Spotted Sandpiper (3-4 call sequences, possible local bird)
Virginia Rail (1 “k-kreeer" call)
Green Heron (4 “keow!” calls)
Baltimore Oriole (1 in-flight song)
Tree Swallow (dawn flight calls)
Canada Warbler (1 NFC)
Savannah Sparrow (4 NFCs)
Warbler sp (8 NFCs)
Song Sparrows (5+ songs, probably local birds)

It’s good to be listening and recording at night again!

Has anyone else out there been motivated to start recording or listening. What 
are you hearing?

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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Please submit your observations to eBird:
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[nfc-l] Fwd: SAW message for Night flight list

[Christopher T. Tessaglia-Hymes]

I’ve been asked by a colleague to post the following message, in the event 
there is potential interest in participation in the Sound Analysis Workshop 
outlined below.

Please respond directly to Liz Rowland at 
e...@cornell.edu<mailto:e...@cornell.edu> with any questions.

Thanks!

Sincerely,
Chris T-H

Begin forwarded message:

From: "Liz D. Rowland" mailto:e...@cornell.edu>>
Subject: SAW message for Night flight list
Date: March 11, 2015 at 2:05:23 PM EDT
To: "Christopher T. Tessaglia-Hymes" mailto:c...@cornell.edu>>

Hi Chris
Thanks for doing this! Here’s the message:

Subject heading: Sound Analysis Workshop, Ithaca, NY. March 30th to April 3rd

The Bioacoustics Research Program at the Cornell Lab of Ornithology, Ithaca, 
New York, USA will be running a 5-day Sound Analysis Workshop between March 
30th and April 3rd, 2015. The maximum number of participants is 11 and we have 
one seat available due to a cancellation. For information on the workshop, see 
http://www.birds.cornell.edu/brp/workshop (the details are on the 
pdf<http://www.birds.cornell.edu/brp/pdf-documents/SAW%20Description_March2015.pdf>).

This will be the 20th session we have run, and nearly 200 people have attended 
from around the world. There are no eligibility criteria, but we do ask 
interested people to fill in a survey form before we accept them to check that 
the workshop will meet their needs. The fee is $1400 for a non-student and 
$1050 for a  registered student. If you’re interested, please contact Liz 
Rowland, e...@cornell.edu<mailto:e...@cornell.edu>. First come, first served!





--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Northeast Migration

[Christopher T. Tessaglia-Hymes]

After being rather hampered for over a week (Upstate, NY, at least) by 
pervasive strong South and West winds, it looks like the big break for much of 
the Northeast will be tomorrow night. There’s a decent migration happening 
right now (small waves of Swainson’s, Gray-cheeked, Hermit Thrushes, limited 
sparrows, etc.), but these are (for here, anyway) probably mostly birds from 
very Southern Ontario, busting out of the South side of the low pressure system 
that’s been stuck over Eastern Canada. The same happened last night with birds 
passing through, but that movement was pretty much complete by 1am.

A high pressure system will slowly move into the area over much of the Great 
Lakes tomorrow and tomorrow night, allowing some relief to southbound birds 
from a bit farther North. So, keep your ears open.

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
http://www.birds.cornell.edu/brp


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Please submit your observations to eBird:
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Re: [nfc-l] Buzz call over western Pennsylvania

[Christopher T. Tessaglia-Hymes]

gurationLeave.htm>
Archives:
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Please submit your observations to eBird<http://ebird.org/content/ebird/>!
--

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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Unknown_and_Dickcissel_Full Speed.wav
Description: Unknown_and_Dickcissel_Full Speed.wav


Unknown_and_Dickcissel_Half Speed.wav
Description: Unknown_and_Dickcissel_Half Speed.wav


Unknown_and_Dickcissel_Quarter Speed.wav
Description: Unknown_and_Dickcissel_Quarter Speed.wav

[nfc-l] ADMIN: Server Reboot

[Christopher T. Tessaglia-Hymes]

There was a delay in message processing this morning, due to a server crash. 
All messages are in queue and being processed.

Sincerely,
Chris T-H

--
Chris Tessaglia-Hymes
Listowner, NFC-L
Ithaca, New York
c...@cornell.edu
NFC-L – Archives
NFC-L – Welcome and Basics
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NFC-L – Subscribe, Configuration and 
Leave


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Please submit your observations to eBird:
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CORRECTION - Re: ADMIN: Re: [nfc-l] NFCs on Facebook

[Christopher T. Tessaglia-Hymes]

As pointed out by Corey Husic and recognized by Rob Fergus, there was already 
another Facebook Group called Nocturnal Flight Calls. In light of this, Rob has 
dropped his group. Please target the one that Corey had already created in 2009 
for sharing flight call discussion. This is here: 
https://www.facebook.com/groups/246849955435/

Again, hopefully, this will be a supplement to NFC-L, not a replacement.

Thanks and good birding!

Sincerely,
Chris T-H

On Sep 30, 2014, at 9:16 AM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:



Wish I *could* be more active but it's been an unexpectedly busy year for me.

I see that Rob has created the Facebook Group Night Flight Calls for those 
interested:

https://www.facebook.com/groups/363568147141431/

Hopefully this will supplement the NFC-L eList, not totally replace it. Please 
cross-post whenever possible or pertinent.

Sincerely,
Chris T-H


On Sep 30, 2014, at 8:12 AM, Andrew Albright 
mailto:andrew.albri...@gmail.com>> wrote:

I agree on all points.

On Tuesday, September 30, 2014, Rob Fergus 
mailto:birdcha...@hotmail.com>> wrote:
I love this list.  Wish it were more active.  I’m wondering how much interest 
there might be to start an NFC group on Facebook?  I’d particularly like to be 
able to share more recordings and spectrograms for comment.  Is there a group 
somewhere already that I just haven’t seen, or is this something folks would 
like?  If I get even a couple folks interested I’ll create the page and we can 
start having fun there as well.

Rob Fergus
Hunterdon County, NJ
birdcha...@hotmail.com
http://birdchaser.blogspot.com<http://birdchaser.blogspot.com/>






--
Chris Tessaglia-Hymes
Listowner, NFC-L
Ithaca, New York
c...@cornell.edu<mailto:c...@cornell.edu>
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NFC-L – Welcome and Basics<http://www.northeastbirding.com/NFC_WELCOME>
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ADMIN: Re: [nfc-l] NFCs on Facebook

[Christopher T. Tessaglia-Hymes]

Wish I *could* be more active but it's been an unexpectedly busy year for me.

I see that Rob has created the Facebook Group Night Flight Calls for those 
interested:

https://www.facebook.com/groups/363568147141431/

Hopefully this will supplement the NFC-L eList, not totally replace it. Please 
cross-post whenever possible or pertinent.

Sincerely,
Chris T-H


On Sep 30, 2014, at 8:12 AM, Andrew Albright 
mailto:andrew.albri...@gmail.com>> wrote:

I agree on all points.

On Tuesday, September 30, 2014, Rob Fergus 
mailto:birdcha...@hotmail.com>> wrote:
I love this list.  Wish it were more active.  I’m wondering how much interest 
there might be to start an NFC group on Facebook?  I’d particularly like to be 
able to share more recordings and spectrograms for comment.  Is there a group 
somewhere already that I just haven’t seen, or is this something folks would 
like?  If I get even a couple folks interested I’ll create the page and we can 
start having fun there as well.

Rob Fergus
Hunterdon County, NJ
birdcha...@hotmail.com
http://birdchaser.blogspot.com








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Chris Tessaglia-Hymes
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[nfc-l] Blog Post: Night Flight Calls

[Christopher T. Tessaglia-Hymes]

A fellow bioacoustics friend of mine posted a Night Flight Call explainer and 
interview to her blogroll, for those interested.

The target audience is high school and undergrad level.

http://bioacousticsprocrastinator.blogspot.co.uk/2014/09/the-terror-that-quacks-in-night-night.html

Sincerely,
Chris T-H

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Bioacoustics Research Program, Cornell Lab of Ornithology
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W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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Re: [nfc-l] Buzz call over western Pennsylvania

[Christopher T. Tessaglia-Hymes]

Just a quick note. I'd concur that this is likely a Dickcissel. It falls in the 
right frequency bounds for Dickcissel. It seems to have a few more "p's" in 
that "fpppt" call than we might expect for Dickcissel. It's quality is not one 
of musicality, which we might expect for a call with fully modulated and 
inter-connected parts. The disconnected nature (lack of modulation) in 
Dickcissel call is what seems to give it that "frappy" or flatulent quality. 
Someone once described the call as similar in quality to a piece of the sound 
kids use to make when the placed baseball cards in their bike spokes and rode 
around the neighborhood. Kids don't do that anymore, but I can envision this 
sound in my memory.

I recorded a couple of Dickcissels during last weekend's movement of birds. 
Will post at a later time.

Sincerely,
Chris T-H


On Sep 21, 2014, at 11:29 PM, Jay K 
mailto:azure@earthlink.net>> wrote:


Geoff,



Good recording - almost TOO good.  I think it sounds right for Dickcissel, but 
perhaps what has folks concerned is that it almost echoes in the recording, but 
probably in life it was the short, flat, almost truncated "fpppt" to which 
we're accustomed.  The only other bird I could think of that would be similar 
would be Blue Grosbeak, but it isn't "musical" enough, nor does it have the 
slight variance in pitch that that species exhibits.



Jay Keller,

San Diego, CA

-Original Message-
From: Geoff Malosh
Sent: Sep 21, 2014 9:10 PM
To: NFC-L
Subject: [nfc-l] Buzz call over western Pennsylvania


Hi all,

I heard the attached buzz-type call on the morning of Sept 19 during the very 
large flight over the Pittsburgh suburbs I posted about a few days ago. My 
first thought was Dickcissel when I heard in real time it but a few people have 
commented that it doesn’t sound exactly right in the attached recording, which 
is true. Northern Rough-winged Swallow was the other immediate thought . . . 
any other possibilities?

The call in question is at 2.6 seconds into the clip. The same or a different 
bird sounds like it calls a few tenths of a second before that. Thanks for any 
comments.

Geoff Malosh
Pittsburgh, Pennsylvania


Geoff Malosh | Editor, Pennsylvania Birds
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[nfc-l] Fwd: [cayugabirds-l] Shorebird Vocalizations

[Christopher T. Tessaglia-Hymes]

Thought some on NFC-L might appreciate Andrew Spencer's blog, as mentioned in a 
post to Cayugabirds-L by Bob McGuire. The specific blog archive to which Bob 
references below is here: http://earbirding.com/blog/archives/4800

Good Night Listening!

Sincerely,
Chris T-H (Sitting in the DTW airport waiting for our return flight to Ithaca).

Begin forwarded message:

From: bob mcguire 
mailto:bmcgu...@clarityconnect.com>>
Subject: [cayugabirds-l] Shorebird Vocalizations
Date: September 22, 2014 7:21:43 PM CDT
To: cayugabirdlist mailto:cayugabird...@cornell.edu>>
Reply-To: bob mcguire 
mailto:bmcgu...@clarityconnect.com>>

Having spent quite a bit of time in the past few weeks watching shorebirds at 
Knox-Marsellus Marsh, I've come to think of them as silent feeders - except for 
an occasional yellowlegs call or perhaps a flyover plover. But I just came 
across Andrew Spencer's blog on some shorebirds that breed in Alaska, with 
examples of their remarkable songs and calls. It has opened a whole new window 
on shorebirds for me. Here is the link. See what you think. 
http://earbirding.com/blog/

Bob McGuire
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[nfc-l] Thursday: Night Flight in Northeast

[Christopher T. Tessaglia-Hymes]

There is currently a fairly heavy liftoff going on in the Northeast and 
surrounding regions. The high pressure system situated North of Lake Ontario 
could make for a good push of birds down into the Northeast overnight tonight.

If you can, keep your ears skyward!

Sincerely,
Chris T-H

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Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
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607-254-1132
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[nfc-l] Northeast Night Migration

[Christopher T. Tessaglia-Hymes]

Just a heads-up:

Tonight and tomorrow night look to be really good nights to listen for or 
record night migrants that are departing points North and headed into the 
Northeast destined for points South. If you have an opportunity to get out and 
listen, by all means, do it. If you are an early morning person, try to catch 
the descent of thrushes just prior to the start of civil twilight. I know I’ll 
be recording and others may be as well.

Good night listening!!

Sincerely,
Chris T-H

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Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
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[nfc-l] Migration Last Night (8/17-8/18)

[Christopher T. Tessaglia-Hymes]

I'm behind on the analysis of several nights of data, but last night I did 
listen all night long as I zoned in and out of sleep (earbud headphones and 
rooftop-mounted microphone).

There was a heavy movement of hundreds of birds over Etna, NY last night with 
the predominant species being Veeries and Chestnut-sided Warblers. Other 
species heard include: Swainson's Thrush, Rose-breasted Grosbeak, Green Heron, 
Ovenbird, Black-throated Blue Warbler, American Redstart, Bobolink, Wood 
Thrush, Savannah Sparrow, Eastern Screech-Owl and Great Horned Owl, plus many 
other NFCs remaining unidentified without spectrographic evaluation or 
listening to them again more clearly.

Good night listening!

Sincerely,
Chris T-H

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Christopher T. Tessaglia-Hymes
Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
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[nfc-l] Night Flight: Etna, NY 6/10-6/11 - BARN OWL

[Christopher T. Tessaglia-Hymes]

Last night was very quiet with interspersed rain showers. There were no cuckoos 
last night. Most of the past several nights have had both Black-billed and 
Yellow-billed Cuckoos flying over.

Only birds last night were a flyover singing Red-eyed Vireo (9:51pm), Spotted 
Sandpiper (3:31am), and what sure sounds to me like a BARN OWL calling while 
flying over around 11:58pm.

I'm now wondering if there could be a locally breeding pair. I read that they 
will fly upwards of 3-4 miles away from a nest site in search of food. That's a 
huge circle around my listening station, but could account for the likely 
distant calls recorded on early AM of 1 June.

Attached is the best of the three calls recorded last night from the flyover 
bird.

It isn't exactly a classic call, but it has much of the same qualities of a 
Barn Owl territorial flight call – this is the scream with an inflected 
terminus to the call; not the clicking and not the hissing.

Sincerely,
Chris T-H
[see attached file: ETNA_NY_20140610.235958_Possible BARN OWL_best.wav]
--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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ETNA_NY_20140610.235958_Possible BARN OWL_best.wav
Description: ETNA_NY_20140610.235958_Possible BARN OWL_best.wav

[nfc-l] Night Migration - Etna, NY: 5/31-6/1 and 6/1-6/2

[Christopher T. Tessaglia-Hymes]

Saturday night (5/31) was a fairly decent night, but with low species 
diversity, consisting primarily of a cleanup flight of Swainson's and 
Gray-cheeked Thrushes of about equal numbers – perhaps 40-50 of each.

There were at least 14 Black-billed Cuckoo calls from at least 10 individuals. 
Two (2) Yellow-billed Cuckoos also called (one at 00:50 and another at 03:18).

Biggest surprise was an apparent distant BARN OWL which called three times 
early Sunday morning (6/1) between 00:08 and 00:09.

Barn Owl clips are attached.

Sunday night (6/1) was very quiet, probably due to the breezy winds out of the 
South. There was either minimal migration or birds simply were not calling. The 
only birds calling as night migrants last night were a single Black-billed 
Cuckoo, a single Yellow-billed Cuckoo, one Alder Flycatcher and a pre-dawn 
Ovenbird in song.

Good night listening!

Sincerely,
Chris T-H

[see attached file: ETNA_NY_20140601.000825_BARN OWL_Distant 1.wav] [see 
attached file: ETNA_NY_20140601.000926_BARN OWL_Distant 2.wav] [see attached 
file: ETNA_NY_20140601.000926_BARN OWL_Distant 3.wav]
--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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ETNA_NY_20140601.000825_BARN OWL_Distant 1.wav
Description: ETNA_NY_20140601.000825_BARN OWL_Distant 1.wav


ETNA_NY_20140601.000926_BARN OWL_Distant 2.wav
Description: ETNA_NY_20140601.000926_BARN OWL_Distant 2.wav


ETNA_NY_20140601.000926_BARN OWL_Distant 3.wav
Description: ETNA_NY_20140601.000926_BARN OWL_Distant 3.wav

[nfc-l] Night Flight - Etna, NY: 5/30-5/31

[Christopher T. Tessaglia-Hymes]

Last night was relatively quiet, but had some enjoyable calls.

Highlights:

1 Virginia Rail (kidicks @ 23:46-23:47)
1 Probable ACADIAN FLYCATCHER @ 01:05
1 Alder Flycatcher @ 01:39
1 GRASSHOPPER SPARROW @ 02:28
1 Eastern Screech-Owl @ 02:45
2 Spotted Sandpipers
9 Black-billed Cuckoo calls from 8 individuals, including one "coo" sequence.

As for thrushes, there were only about 10 Swainson's thrushes and no 
Gray-cheeked Thrushes.

I've attached the Probable Acadian Flycatcher and the Grasshopper Sparrow call 
to this message.

Good night listening!!

Sincerely,
Chris T-H

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ETNA_NY_20140531.010545_ACADIAN FLYCATCHER.wav
Description: ETNA_NY_20140531.010545_ACADIAN FLYCATCHER.wav


ETNA_NY_20140531.022849_GRASSHOPPER SPARROW.wav
Description: ETNA_NY_20140531.022849_GRASSHOPPER SPARROW.wav

--Christopher T. Tessaglia-HymesField Applications EngineerBioacoustics Research Program, Cornell Lab of Ornithology159 Sapsucker Woods Road, Ithaca, New York 14850W: 607-254-2418   M: 607-351-5740   F: 607-254-1132http://www.birds.cornell.edu/brp

[nfc-l] Black-billed Cuckoo 31 May, 01:30AM

[Christopher T. Tessaglia-Hymes]

Early this morning, my recording station in Etna, NY was fortunate enough to 
have a Black-billed Cuckoo fly almost directly overhead while giving it's 
rattle or gurgle call. This is a fine example of this call type which is most 
typically heard during nocturnal migration throughout the spring and early 
summer within their normal range.


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ETNA_NY_20140531.013346_Black-billed Cuckoo NICE.wav
Description: ETNA_NY_20140531.013346_Black-billed Cuckoo NICE.wav
Sincerely,Chris T-H
--Christopher T. Tessaglia-HymesField Applications EngineerBioacoustics Research Program, Cornell Lab of Ornithology159 Sapsucker Woods Road, Ithaca, New York 14850W: 607-254-2418   M: 607-351-5740   F: 607-254-1132http://www.birds.cornell.edu/brp

[nfc-l] Grasshopper Sparrow: Etna, NY - 5/30

[Christopher T. Tessaglia-Hymes]

Thought I'd share this clip, so others can use.

This is a Grasshopper Sparrow over Etna, NY, early this morning (5/30/2014). 
Again, a definite first for me as a night migrant over Etna.
[see attached file: ETNA_NY_20140530.002136_GRASSHOPPER SPARROW NICE.wav]

Sincerely,
Chris T-H

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Christopher T. Tessaglia-Hymes
Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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ETNA_NY_20140530.002136_GRASSHOPPER SPARROW NICE.wav
Description: ETNA_NY_20140530.002136_GRASSHOPPER SPARROW NICE.wav

[nfc-l] SongbirdSOS Documentary

[Christopher T. Tessaglia-Hymes]

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FEATURED SCIENTIST


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Stutchbury<http://songbirdsos.us3.list-manage.com/track/click?u=99356e8078e3193671b56a9ca=a1281c25d5=0696f5868c>.
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awards in Canada. Bridget’s book was where our filmmaking journey began. 
Currently she is using ground-breaking geo-locator tracking devices to map bird 
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Re: [nfc-l] Night Flight - Etna, NY: 5/27-5/28

[Christopher T. Tessaglia-Hymes]

Laura,

I kind of noticed the same. I'm thinking this may have been a low altitude 
passage of migrants due to the lower cloud ceiling? We had several heavy 
isolated rain storms pass through overnight and we woke to dense upper 
elevation fog and moderate amounts of mist at mid-level elevations this morning.

Can't wait to go over my data with a fine-tooth comb, though…

Take care, all!

Sincerely,
Chris T-H

On May 28, 2014, at 11:01 AM, Laura Gooch 
mailto:lgo...@alum.mit.edu>>
 wrote:

We were a little late turning on the microphone last night (about 22:00 EDT), 
but there was a quite substantial movement of thrushes and warbler/sparrow 
frequency calls going on here on the east side of Cleveland, too. I have not 
had a chance to review the data, but there must have been a broad front of 
activity last night. Interestingly, the radar images don't show all that much 
movement here.

Laura Gooch
Cleveland Heights, OH



On Wednesday, May 28, 2014 10:44 AM, Christopher T. Tessaglia-Hymes 
mailto:c...@cornell.edu>> wrote:


Early this morning, I did a very cursory review of all audio data from the 
overnight recording, by hand browsing through spectrograms using Raven Pro. 
Last night, birds started vocalizing around 9:10pm. Once again, predominant 
species was Swainson's Thrush with second most predominant species being 
Gray-cheeked Thrush.

There were significantly more warblers and other high frequency calls overnight 
last night compared to the night before.

Here are the highlights/notables:

8 Black-billed Cuckoos (including one cooing sequence)
3 Yellow-billed Cuckoos
2 Alder Flycatchers
45+ Gray-cheeked thrushes
200+ Swainson's Thrushes
2 Veeries
2 High-frequency sparrow-type calls, containing modulation

Good night listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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[nfc-l] Night Flight - Etna, NY: 5/27-5/28

[Christopher T. Tessaglia-Hymes]

Early this morning, I did a very cursory review of all audio data from the 
overnight recording, by hand browsing through spectrograms using Raven Pro. 
Last night, birds started vocalizing around 9:10pm. Once again, predominant 
species was Swainson's Thrush with second most predominant species being 
Gray-cheeked Thrush.

There were significantly more warblers and other high frequency calls overnight 
last night compared to the night before.

Here are the highlights/notables:

8 Black-billed Cuckoos (including one cooing sequence)
3 Yellow-billed Cuckoos
2 Alder Flycatchers
45+ Gray-cheeked thrushes
200+ Swainson's Thrushes
2 Veeries
2 High-frequency sparrow-type calls, containing modulation

Good night listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Etna, NY - Night Flight 5/26-5/27

[Christopher T. Tessaglia-Hymes]

I did a very fast browse through my overnight sound data, early this morning. 
It was very quiet on the warbler and sparrow front. Predominant species was 
Swainson's Thrush.

Here's a rough break down:

4 Yellow-billed Cuckoos
2 Black-billed Cuckoos
2 Indigo Buntings
1 Alder Flycatcher
15+ Gray-cheeked Thrushes (estimated)
65-75+ Swainson's Thrushes (estimated)

Good night listening!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Etna, NY - Night Migration: 5/25-5/26

[Christopher T. Tessaglia-Hymes]

Last night was a relatively quiet night, but after browsing through data from 
10:15pm to 4:30am, it became apparent that there was a notable migration of 
BLACK-BILLED CUCKOOS. In total, there were 20 distinct night flight calls from 
at least 16 different individual birds. A single YELLOW-BILLED CUCKOO also sang 
once (2:55am).

Other birds of interest include a surprise call from a YELLOW-BELLIED 
FLYCATCHER at 11:53pm, two ALDER FLYCATCHERS at 12:46am and 3:11am, an early 
morning CEDAR WAXWING at 4:03am, at least 18 SWAINSON'S THRUSHES, five 
GRAY-CHEEKED THRUSHES, two VEERIES, and a single BICKNELL'S THRUSH candidate 
(at 2:57am).

Good birding and night listening!

Sincerely,
Chris T-H
--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 
607-254-1132
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[nfc-l] Night Flight - Etna, NY: 12-13 May 2014

[Christopher T. Tessaglia-Hymes]

Last night, I scrambled up on the roof and mounted my flowerpot microphone, ran 
the power and signal cable into the bedroom window, and started my first of the 
season night flight recording using Raven Pro on my Macbook Pro; by the way, I 
managed to do all of this while taking great care to avoid tearing the medial 
meniscus cartilage in my knee…which I did last spring; this pretty much nixed 
many spring birding opportunities after that.

As of a couple days ago, the forecast was looking excellent for Monday night: 
southwest winds with an East-West stationary front moving to our North, and a 
North-South elliptically-shaped high pressure system extending to the South. 
Unfortunately, this forecast apparently did not hold true; the frontal systems 
associated with the slowly approaching low pressure system seemed to have 
pinched closer together, instead of expanding and rising North. The result last 
night was of light East winds and scattered rain showers to the West and 
Southwest of us: not terribly conducive to significant nocturnal migration over 
my recording station.

I hand browsed my audio data early this morning and, despite the relatively 
poor conditions, I have the following to report (in no particular order):

1 Sora candidate (10:20pm)
Spotted Sandpiper (many calls throughout the night, one or more individuals)
2 Black-billed Cuckoos (10:22pm, 12:38am)
1 Yellow-billed Cuckoo (1:37am)
Woodcock displaying (peents and flight twittering)
3+ Ovenbirds
4+ Chestnut-sided Warblers
10+ Swainson's Thrushes
2 Gray-cheeked Thrushes
3+ Wood Thrushes
4+ Veery
1 Bicknell's Thrush candidate
15+ Common Yellowthroats (song and NFC's)
2 Canada Warblers
5+ White-throated Sparrows
8+ Bobolinks
2 Green Herons
1 Eastern Screech-Owl
2 Rose-breasted Grosbeaks
1-2 Song Sparrows (songs, possibly local bird)
3 Indigo Buntings
1 Savannah Sparrow
1-2 Chipping Sparrows (songs, local birds)
1 Scarlet Tanager (song at 3:50am)
1 Least Sandpiper

Plus several unidentified calls, which I've not taken time to investigate.

Good night listening!!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Etna, NY: BARN OWL!!! (9/27)

[Christopher T. Tessaglia-Hymes]

Diane and I have been up late tonight listening to the live stream from the 
roof-top microphone.

We were absolutely thrilled to hear a BARN OWL call four times in succession 
(about 10-20 seconds apart) as it flew directly overhead.

Barn Owl is an extremely rare bird for Upstate New York.

The attached file is the loudest call from this individual.

COOL!!!

Good night listening!

Sincerely,
Chris T-H

PS - A single Dickcissel called once early this morning (9/26) at 5:30am. That 
was also heard live, as I was listening to the thrush descent.

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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ETNA_NY_20130927.003500_BARN OWL_3.wav
Description: ETNA_NY_20130927.003500_BARN OWL_3.wav

Re: [nfc-l] Migration 9/23-9/24 - HF Gray-cheeks

[Christopher T. Tessaglia-Hymes]

Hi Paul,

Thanks for commenting. Your examples are fantastic. All starting abruptly and 
peaking almost at 5kHz. The "candidate" examples I provided were peaking 
between 4.7 and 5.0 kHz; however, it seems, none of them were sufficiently 
outside the range of suspected HF Gray-cheeked Thrush-type calls.

I agree, we don't know enough about the nocturnal vocalizations of Bicknell's 
and Gray-cheeked Thrushes to safely rule out some of these HF candidate calls 
away from being Bicknell's or to confidently ID them as Bicknell's. We simply 
don't know how much true overlap there may be, especially when considering the 
individual variation between adults and juveniles, and males and females, 
during fall migration. Spring migration, presumably, we would only be 
considering male and female variations and could rule out the variability 
between adults and juveniles.

Ideally, we would have recording stations located near or on a direct flight 
path South or Southeast of their breeding grounds to collect more likely 
candidates as comparison.

Most of my recorded Gray-cheeked Thrush calls –  a good 95% or more – can be 
safely classified as Gray-cheeked Thrushes, due to their overall structure and 
the lower frequency nature of the calls. The other 5% or fewer become more 
questionable, because of the unknowns between HF Gray-cheeked and LF Bicknell's.

I'd feel pretty safe calling a candidate call a Bicknell's, if it was above 
5kHz and had that characteristic abrupt onset (not just humped or arched, as 
with classic Gray-cheeked calls), plus that relatively longer wheezy trailing 
descent.

Only if we could slap microphones on these birds to record their calls during 
their migrations…!

Other insight or comments are very much welcomed in this discussion.

Thanks!

Sincerely,
Chris T-H

PS - I had problems opening Paul's files in Raven as mp3's, so opened in 
Audacity and converted to 16-bit WAV files. If desired, I can post them 
individually.


On Sep 25, 2013, at 4:02 PM, pjd...@aol.com<mailto:pjd...@aol.com> wrote:

Hi Chris,

I'd like to open up a discussion on Bicknell's Thrush calls. There was a 
discussion on xeno-canto recently in which there was some questioning of the 
validity of the nocturnal calls as there is so much variability and overlap 
between Gray-cheeked and Bicknell's daytime calls, more recordings of which are 
now available. That not withstanding, I have yet to see a daytime recording of 
a known Gray-cheeked that matches the Bicknell's nocturnal call. Isn't it 
likely that the Bicknell's call is only one of many different calls Bicknell's 
make at night, but perhaps the only one that is definitive? Or perhaps it's a 
call that Bicknell's uses more than Gray-cheeked ie there is a quantitative 
difference in their calls? There was also a suggestion that perhaps they are 
not truly separate species (so perhaps all this is moot).

I recorded several calls last night that match Bicknell's quite well. These are 
the first calls I've recorded so far this season that have that appearance, and 
were several different birds. All others (100s) going back to September 15th 
had been typical lower frequency "buffalo-humped" Gray-cheeked. To me, this 
suggests that there is a certain defined population that gives this less common 
call.

Paul Driver
Elkins Park PA
-Original Message-
From: Christopher T. Tessaglia-Hymes mailto:c...@cornell.edu>>
To: NFC-L mailto:nf...@list.cornell.edu>>
Sent: Tue, Sep 24, 2013 11:03 am
Subject: [nfc-l] Migration 9/23-9/24 - HF Gray-cheeks

Last night was an enjoyable night. Quite active for Gray-cheeked-type thrushes 
(i.e. there were multiple nice HF candidates in there).

The thrush descent was quite extensive, starting around 5:51am and lasting 
until about 6:15am. The peak was from about 6:06am to 6:15pm. Bulk of the 
vocally actively descending thrushes were Swainson's Thrushes, with a mere 
handful of Gray-cheeked Thrushes toward the beginning.

Several warblers and Rose-breasted Grosbeaks were migrating throughout the 
night, although I didn't take a close look at the warblers (a few Ovenbirds, 
though). A single White-throated Sparrow and a White-crowned Sparrow 
(candidate) were noted.

I've attached the best of the HF Gray-cheeked Thrushes to this message. None of 
these are perfect for Bicknell's, but interesting non-the-less.

Here in Etna, NY (located about 180 miles, as the Bicknell's flies, to the SW 
of Whiteface Mountain in the Adirondack Mountains) we had NE winds to start the 
night, calming and then becoming East winds for the remainder of the night.

Are there any listeners or night recordists immediately due South or Southeast 
of Bicknell's Thrush breeding ranges? Just curious to know if there are other 
really good examples out there to compare with.

Thanks and good night listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research P

[nfc-l] Etna, NY: Night Migration 9/24-9/25

[Christopher T. Tessaglia-Hymes]

Last night was a good night for Swainson's Thrushes and Gray-cheeked Thrushes. 
There were several small waves throughout the night. The descent was full of 
blinging Swainson's Thrushes and a few screaming Gray-cheeked Thrushes. I heard 
my first migratory Hermit Thrushes of the fall last night as well (5:03am and 
5:47am).

Last thrush was a Gray-cheeked at 6:24am and first Blue Jay was at 6:30am.

Attached is a brief clip of the loudest and densest section of Swainson's (and 
a few distant Gray-cheeked Thrushes) descending at 6:21am.

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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ETNA_NY_20130925.062103_Thrush Descent Part.wav
Description: ETNA_NY_20130925.062103_Thrush Descent Part.wav

[nfc-l] Migration 9/23-9/24 - HF Gray-cheeks

[Christopher T. Tessaglia-Hymes]

Last night was an enjoyable night. Quite active for Gray-cheeked-type thrushes 
(i.e. there were multiple nice HF candidates in there).

The thrush descent was quite extensive, starting around 5:51am and lasting 
until about 6:15am. The peak was from about 6:06am to 6:15pm. Bulk of the 
vocally actively descending thrushes were Swainson's Thrushes, with a mere 
handful of Gray-cheeked Thrushes toward the beginning.

Several warblers and Rose-breasted Grosbeaks were migrating throughout the 
night, although I didn't take a close look at the warblers (a few Ovenbirds, 
though). A single White-throated Sparrow and a White-crowned Sparrow 
(candidate) were noted.

I've attached the best of the HF Gray-cheeked Thrushes to this message. None of 
these are perfect for Bicknell's, but interesting non-the-less.

Here in Etna, NY (located about 180 miles, as the Bicknell's flies, to the SW 
of Whiteface Mountain in the Adirondack Mountains) we had NE winds to start the 
night, calming and then becoming East winds for the remainder of the night.

Are there any listeners or night recordists immediately due South or Southeast 
of Bicknell's Thrush breeding ranges? Just curious to know if there are other 
really good examples out there to compare with.

Thanks and good night listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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ETNA_NY_20130923.211152_Bicknell's Thrush Candidate.wav
Description: ETNA_NY_20130923.211152_Bicknell's Thrush Candidate.wav


ETNA_NY_20130924.010252_Bicknell's Thrush Candidate.wav
Description: ETNA_NY_20130924.010252_Bicknell's Thrush Candidate.wav


ETNA_NY_20130924.010952_Bicknell's Thrush Candidate.wav
Description: ETNA_NY_20130924.010952_Bicknell's Thrush Candidate.wav


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Description: ETNA_NY_20130924.013352_Bicknell's Thrush Candidate.wav


ETNA_NY_20130924.013652_Bicknell's Thrush Candidate.wav
Description: ETNA_NY_20130924.013652_Bicknell's Thrush Candidate.wav

[nfc-l] Migration Tonight (9/23-9/24)

[Christopher T. Tessaglia-Hymes]

Last night there was a nice push of migrants southward, with the majority being 
a good mix of warblers, plus Rose-breasted Grosbeaks, Swainson's Thrushes and a 
number of Gray-cheeked Thrushes.

The weather forecast looks good for another night of southbound migrants.

If you are in the Eastern portion of the US and Canada, have a listen if you 
can.

Good birding!

Sincerely,
Chris T-H
--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
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Re: [nfc-l] Unknown call over suburban Pittsburgh, Sept. 17

[Christopher T. Tessaglia-Hymes]

Geoff,

Gut feel is Rose-breated Grosbeak. What do you think?

Sincerely,
Chris T-H

On Sep 18, 2013, at 10:47 PM, Geoff Malosh 
mailto:pomar...@earthlink.net>> wrote:

Hello,

I heard and recorded the attached audio in suburban Pittsburgh, Pennsylvania 
about an hour before dawn on Sept. 17. An 11-second clip is attached in which 
the unidentified call can be heard at about 2 sec and 9 sec. I recall hearing 
it six times, five of which were picked up on recordings. The attached 
spectrogram shows the first of the two calls in the wav file.

I’m having some trouble placing an ID on this one... I have a few ideas 
(shorebirds) but any input would be appreciated.

Best regards,
Geoff Malosh
Pittsburgh, PA


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[nfc-l] Gas Flare Kills 7,500 Night Migrants: 13-14 September 2013

[Christopher T. Tessaglia-Hymes]

Another reason to better our understanding of the vocal activity of night 
migrants.

About 7,500 birds were killed in a single night at a LNG processing plant in 
Saint John, New Brunswick, Canada on the migration night of 13-14 September 
2013.

http://www.cbc.ca/news/canada/new-brunswick/7-500-songbirds-killed-at-canaport-gas-plant-in-saint-john-1.1857615

If the conditions are right, the potential for this to happen now is greater 
than ever before with the increased processing of natural gas.

I cannot even begin to imagine the total losses of trans-Gulf migrants to gas 
flares in and along the Gulf of Mexico over the past few decades.

Keep on listening…

Sincerely,
Chris T-H

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[nfc-l] Night Migration - Monday 9/16

[Christopher T. Tessaglia-Hymes]

Tonight, there is the potential for another good push of southbound migrants 
across Southeastern Canada and Northeastern US.

If there is a descent of thrushes, with the majority being Swainson's Thrushes, 
this could occur sometime between 6:05 and 6:10am.

The morning of Sunday, 9/15, there was a solid descent of Swainson's Thrushes 
(around 100 calls) between 6:06 and 6:09am. A single Dickcissel called three 
times just before 3:00am, the loudest call of which actually woke me up (I had 
my earbud headphones in as I slept).

The High Pressure System that is centered over the Great Lakes right now may 
encourage another push of birds southward tonight and even tomorrow night. Cold 
overnight temps with Northerly winds are the key.

Good luck night listening and good birding!

Sincerely,
Chris T-H

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[nfc-l] Etna, NY: Night Migration Followup for 8-9 September

[Christopher T. Tessaglia-Hymes]

A quick observational browse through last night's recording data results in 
these highlights:

4 Black-billed Cuckoos
2 Hooded Warblers
1 Black-and-white Warbler
2 Lincoln's/Swamp Sparrows

Nothing really Earth-shattering as far as rarity, but it was definitely an 
active night.

Recently, I've been resting at night with a single earbud headphone plugged 
into one ear in order to listen in on the general nighttime activity. Last 
night, there were tons of calls from about 9pm through about 2am, then a 
gradual tapering to only sporadic calls the rest of the night. The morning 
thrush descent was very minimal at my location. There was one small descending 
flock around 5:34am, which included some Rose-breasted Grosbeak calls. There 
were some very distant thrush calls around 5:50-ish and a single close flyover 
Rose-breasted Grosbeak calling around 6:05am, but everything was pretty much 
shut down by 6:00am.

Thrush descent can be entirely hit-or-miss depending upon where the birds are 
during migration, just before the start of morning civil twilight (today it was 
at 6:10am).

I'd say that Rose-breasted Grosbeak was the species that dominated the night, 
followed by Swainson's Thrush. Early in the night, there was also a good 
passage of Green Herons. Throughout the night there were several Chestnut-sided 
Warblers.

After listening to the recent nights' migrations, I have been wondering about 
vocal activity vs actual birds in flight. Early in the night, birds are calling 
– seemingly everywhere. By the latter part of the night migration, vocal 
activity seriously drops off.

Why is this? I mean, even after a very quiet latter 3 1/2 hours, we can have a 
surprisingly actively vocal thrush descent. What is the theory for decreased 
contact/NFC calls as the night wears on? Are they all established in their 
individual flight patterns in the sky? Are they conserving energy by not 
vocalizing? Is there a relationship between very cold nights and decreased 
calling rates vs warm nights and consistent calling rates? If birds were 
descending earlier in the night we should observe decreased target density on 
RADAR; however, as Dave Nicosia mentioned, RADAR was still displaying active 
targets in the air as of 6am at our local station (BGM). Is there a generally 
accepted theory for decreased vocal activity into the night?

It has been fascinating to listen to and observe the gradual exodus of 
neotropical and other migrants from northern North America.

Thanks for any insight and good night-listening!

Sincerely,
Chris T-H

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[nfc-l] Night Migration - 9/8 to 9/9

[Christopher T. Tessaglia-Hymes]

I just put headphones on to listen in on my night recording. There are several 
Bobolinks, Savannah Sparrows and Rose-breasted Grosbeaks calling right now.

Also picked up on Chestnut-sided Warbler, Ovenbird and Swainson's Thrush.

Given the cold overnight temperatures, I'm guessing there will be a good thrush 
descent tomorrow morning, probably in the 5:50-6:00AM time-frame.

Good night-listening!

Sincerely,
Chris T-H



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Christopher T. Tessaglia-Hymes
Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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[nfc-l] Night Migration and Thrush Descent Count

[Christopher T. Tessaglia-Hymes]

Last night's migration (9/5-9/6) was the best that I've listened to so far this 
year. Constant warbler calls from about 9pm to 1am, then only sporadic flight 
notes after that. There was a thrush descent, around the time projected, but 
not as beefy as I had expected, given the general migrant activity overnight. 
I'm guessing most migrants cleared my area and ended up much farther south.

Here is my thrush and other bird night flight call count for the descent this 
morning:

5-5:30am

3 - Swainson's Thrush
1 - Veery

5:30-5:40am

3 - Swainson's Thrush
2 - Veery
2 - Wood Thrush
1 - Warbler "zeep"
1 - Unidentified Shorebird

5:40am-5:50am

1 - Veery
1 - Unidentified Shorebird
1 - Warbler "chip" (probably Black-throated Blue)
1- Savannah Sparrow
1 - Killdeer

5:50am-6:00am (the majority of these commenced at 5:55am and continued just 
until 6:00am).

73 - Swainson's Thrush
44 - Unidentified Thrush or distant Thrush-like calls
7 - Veery
7 - Wood Thrush
2 - Savannah Sparrow
1- Green Heron

6:00am-6:05am (the calls actually ceased being heard by 6:01am).

2 - Swainson's Thrush
1 - Unidentified Thrush or distant Thrush-like call

Other species heard/identified throughout the night while listening live or 
with the use of Raven's spectrogram display and with some referencing to the 
Evans-O'Brien NFC CD:

Green Heron
Chestnut-sided Warbler
American Redstart
Black-throated Blue Warbler
Common Yellowthroat
Indigo Bunting
Black-billed Cuckoo
Veery
Swainson's Thrush
Wood Thrush
Rose-breasted Grosbeak
Canada Warbler
Mourning Warbler
Savannah Sparrow
Bay-breasted Warbler
Blackpoll-type Warbler
Wilson's Warbler
Ovenbird

Fun night and I hope others in the Northeast had an opportunity to listen, too!

Good birding!

Sincerely,
Chris T-H



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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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[nfc-l] Migration Tonight

[Christopher T. Tessaglia-Hymes]

Just another heads-up to listeners/recordists in the Northeastern US about the 
migration overnight tonight.

There has been a near constant chatter of migrants over upstate NY at my 
recording station in Etna, NY. Lots of Green Herons early on; several 
Chestnut-sided Warblers, a few American Redstarts, probably hundreds more of 
other warblers, plus a handful of thrushes including a single Swainson's Thrush 
which called once from directly overhead.

I expect a very nice descent of thrushes in the morning around 5:50am (EDT).

Good night-listening!

Sincerely,
Chris T-H

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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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[nfc-l] Migration Ahead

[Christopher T. Tessaglia-Hymes]

Good evening!

Just thought I'd give listeners in the Northeast a heads-up. The weather looks 
promising for a good push of birds from Canada down into the Northeastern US 
over the next few days. A good cold front will be pushed down into the 
Northeast by a strong high pressure system to the North. By this Friday 
morning, various locations will see temps dipping down into the mid- to 
low-forties or thirties and even upper twenties in some more Northern and 
higher elevational areas. This should produce the first good push of Swainson's 
Thrushes southward, among other species. I've already heard a smattering of 
Swainson's over the past few nights, but expect there to be a better movement 
of them overnight Thursday to Friday morning.

Good night-listening!

Sincerely,
Chris T-H


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Field Applications Engineer
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159 Sapsucker Woods Road, Ithaca, New York 14850
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Re: [nfc-l] Ovenbird flight song (not call)

[Christopher T. Tessaglia-Hymes]

David,

This certainly sounds similar to the Ovenbird flight songs that I've heard 
while in the field before. I love how they seem to throw in snippets from the 
songs of a few neighboring species into their flight song. Don't know if they 
pick these song snippets up over time or if they add them in based upon what 
they hear from the nest or at their breeding locales. I usually pick up 
Red-eyed Vireo snippets more readily than other sound snippets in my past 
experience, but that may be entirely locale-related. It certainly helps to be 
able to replay the sounds over and over again.

The first one seems to have the following makeup:

Unidentified Chips, Winter Wren, Common Yellowthroat, OVENBIRD, Unknown, 
Black-capped Chickadee, American Robin, OVENBIRD, Northern Waterthrush, 
Unknown, Red-eyed Vireo, Unknown.

The second one seems to have the following makeup:

Unidentified Chips, Winter Wren, Common Yellowthroat, OVENBIRD, Unknown, 
Black-capped Chickadee, American Robin, Red-eyed Vireo, Northern Waterthrush, 
Unknown.

I suspect these are likely from the same individual, just a slightly different 
combination.

Very cool!

Sincerely,
Chris T-H

On Aug 1, 2013, at 4:28 PM, David Martin 
mailto:da...@naturebits.org>> wrote:

On July 17 I set up a migration mic at Thacher Nature Center near Albany, NY.  
That night I recorded what I think is the so-called flight song of the 
Ovenbird, which I have heard only once or twice before.   I recorded a very 
similar song on 19 July.  I've been digging around trying to find examples, and 
the flight song seems to be extremely variable among birds.

I've posted the recordings and sonograms at http://naturebits.org/temp_1.php

I'd be interested in any comments.  If it is not an ovenbird, what is it?

--
David Martin
Slingerlands, New York
http://naturebits.org


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Re: [nfc-l] [cayugabirds-l] Migration beginning to become evident on radar

[Christopher T. Tessaglia-Hymes]

Last night was the first night since 10 July, where there has been a notable 
passage of birds overhead at Etna, NY. While there were some birds over the 
past few nights, last night was definitely more active with a greater number 
and variety of NFCs.

18 Warblers (zeep, upsweep, downsweep)
1 Common Yellowthroat
2 Savannah Sparrows
1 Chipping Sparrow
1 Veery
3 Thrush sp
1 Black-billed Cuckoo
14 Virginia Rail Calls from either a single local bird flying around or upwards 
of four individuals based upon time-span (all are either keer or keck-keer type 
calls).

Other birds over the past several nights have included:

Sora
Spotted Sandpiper
Yellow-billed Cuckoos
Black-billed Cuckoos
Wood Thrushes
Indigo Bunting

I did not record for two weeks from the night of 26 June through the night of 9 
July.

Sincerely,
Chris T-H


On Jul 14, 2013, at 10:46 PM, david nicosia 
mailto:daven1...@yahoo.com>> wrote:


- Forwarded Message -
From: david nicosia mailto:daven1...@yahoo.com>>
To: Cayugabirds- L 
mailto:cayugabird...@cornell.edu>>; Bluewing 
mailto:bluewing-gr...@googlegroups.com>>
Sent: Sunday, July 14, 2013 10:45 PM
Subject: [cayugabirds-l] Migration beginning to become evident on radar

I have noticed radar echoes blossoming some after sunset more so than the last 
couple weeks.
At altitudes of about 3000 to 5000 feet AGL the echoes were moving from north 
to south, below that;
the echoes are moving more west to east suggesting maybe some of these are 
insects?? Or maybe
some are birds migrating or wandering toward the coast??? Not sure.

There is a large high over the region with very light winds so I think what we
are seeing in the velocity images are biological. Dual polar hydrometeor
classification product suggests all echoes are biological this evening.

This link has all the dual polar radar products along with the legacy 
reflectivity and velocity
products.  http://weather.cod.edu/satrad/nexrad/

Cheers,
Dave Nicosia

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[nfc-l] 2013 Cuckoo Movement

[Christopher T. Tessaglia-Hymes]

This June has been very interesting, with regard to Black-billed Cuckoo (and, 
to a lesser degree, Yellow-billed Cuckoo) movement and vocal activity during 
night migration over Etna, NY.

I continue to record calls from different individuals at higher rates compared 
to June of last year. According to papers published by Walter Koenig, cuckoo 
abundance increases on the year of 13- and 17-year Magicicada emergences, based 
upon analysis of BBS data. There is no longer emergence of the Magicicada 
broods in our immediate area (I believe these went extinct); however, there has 
been abundant emergences to our South and East (110 miles away and 132 miles 
away, respectively). If cuckoos have a tendency to wander actively in search of 
cicada emergences or caterpillar outbreaks (Malacosoma or Lymantria larvae) – 
which could be advantageous to both adult and nestling cuckoos – it would make 
sense that cuckoos are significantly more abundant as night migrants this June 
because of the relatively nearby emergence of the 17-year cicadas.

Here is an updated link to the call counts for 2013 as well as the link for 
last year's call count data:

2013: http://www.northeastbirding.com/Cuckoo/2013Cuckoo.jpg

2012: http://www.northeastbirding.com/Cuckoo/2012Cuckoo.jpg

There have been some proposals that these night vocalizations (grand majority 
being "gurgle" night flight calls) could be coming from local birds calling 
from immediately nearby locales or while perched in trees.

This is an interesting thought, but seems unlikely for several reasons:

1) Most calls are often individually different from one another (frequency and 
cadence differences; also, two different birds have even been heard calling 
simultaneously on a few occasions)

2) Birds are sometimes heard clearly producing a sequence of 2-3 calls in 
passage (doppler shift)

3) If this many different birds were present locally, one would expect fairly 
high numbers being reported in eBird  or commonly reported as sightings, posted 
on the local birding eList.

Attached are some examples showing just how audibly different these birds have 
been. Spectrographically, the calls are measurably different as well.

Thanks for any comments!

Sincerely,
Chris T-H




--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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2013BBCuckooVariability.wav
Description: 2013BBCuckooVariability.wav

[nfc-l] Thrushes: 20-21 June 2013

[Christopher T. Tessaglia-Hymes]

Last night, there was a noted movement of thrushes…well, of at least four 
individuals (compared to next to nothing for many nights – One Wood Thrush on 
6/13/13 and one Swainson's Thrush on 6/6/13)

I'm interested in knowing what others think of the identity of the individuals 
in this series of four thrushes (recorded at different times throughout the 
night, but concatenated into this one file) in the attached sound file.

The first has me thinking Veery, but could be an odd Swainson's Thrush. The 
second definitely sounds like Wood Thrush. The third definitely sounds like 
Swainson's Thrush, and the fourth sounds like it could be an odd Swainson's 
Thrush.

The signal-to-noise ratio isn't great, so you'll need to use headphones and 
probably increase the volume during playback. Alternatively, open and view in 
Raven or another software capable of displaying spectrograms.

Thanks!

Sincerely,
Chris T-H



--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

--

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Please submit your observations to eBird:
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--

ETNA_NY_20130620-20130621_Thrushes.wav
Description: ETNA_NY_20130620-20130621_Thrushes.wav

Re:[nfc-l] [nysbirds-l] Fwd: Minimal Migration or Population Decline?

[Christopher T. Tessaglia-Hymes]

Thanks for sharing this, Adam.

These are interesting hypotheses. I will have to ask Walter about this and how 
this could potentially relate to a perceived decline of birds in certain areas 
this year, and how this relate to a perceived decline in areas outside of the 
range of the cyclical cicada brood hatches.

Sincerely,
Chris T-H

On Jun 19, 2013, at 8:46 AM, Adam Zorn 
mailto:asz...@hotmail.com>>
 wrote:

Here's another potential explanation (or the beginning of a potential 
explanation) regarding the apparent decline of birds this year in the eastern 
US.  Its an article from Discover Magazine's blog entitled "During Cicada Boom, 
Birds Mysteriously Vanish" 
http://blogs.discovermagazine.com/crux/2013/06/18/the-cicada-paradox#.UcGmmOesiSo

I've been following this email discussion and figured this was obviously 
relevant and worth sharing with everyone.

Regards,
Adam

-
Adam Zorn
Naturalist - Westmoreland Sanctuary<http://www.westmorelandsanctuary.org/>
Board Member - Bedford Audubon Society<http://www.bedfordaudubon.org/>


From: c...@cornell.edu<mailto:c...@cornell.edu>
To: joan.coll...@frontier.com<mailto:joan.coll...@frontier.com>
CC: nysbird...@list.cornell.edu<mailto:nysbird...@list.cornell.edu>; 
nf...@list.cornell.edu<mailto:nf...@list.cornell.edu>; 
nypizza...@gmail.com<mailto:nypizza...@gmail.com>
Subject: Re: [nysbirds-l] Fwd: Minimal Migration or Population Decline?
Date: Mon, 17 Jun 2013 15:16:51 +

Thank you, Joan, for this anecdotal evidence. Since it has been a couple of 
weeks now, I'm curious to know if anyone has noted an improvement in their 
local area birding spots, or if it has been more of the same. For me, I've 
noted a serious lack of typical neighborhood birds that used to be a regular 
part of the acoustic atmosphere: Rose-breasted Grosbeak, Baltimore Oriole and 
Red-eyed Vireo, just to name a few. I've also noticed a lack of Ruby-throated 
Hummingbirds this year – usually, they are zipping around and chittering in the 
neighborhood. Not so this year, yet anyway. If this is region-wide, I'd think 
it critically important to collect as much data as possible to help monitor or 
track this seeming dearth of activity. I expect this fall migration to be 
fairly telling, if there was a pop-ulation-wide impact of some kind.

Sincerely,
Chris T-H




On Jun 4, 2013, at 4:11 PM, Joan E. Collins wrote:

Thank you for this interesting post Chris.  This has been a dominate topic of 
discussion among many birders in the Adirondacks.  Sean O’Brien and I have been 
talking every few days wondering what has happened to many neotropical migrants 
this year.  I mentioned the low numbers of Blackpoll Warblers and 
Yellow-bellied Flycatchers on Whiteface Mountain in my earlier post today, but 
numbers of most neotropical migrants appear way down.  Sean keeps remarking 
that there is no dawn chorus this year.  Even my non-birder husband has been 
noting the lack of birds this spring.  Normally, you can’t sleep past 4:30 a.m. 
in our house at this time of year because of the remarkable dawn sounds outside 
our bedroom window, but it feels more like late summer every morning with the 
lack of songs.  I was aware of the weather-related fallout on the Gulf Coast of 
Texas in April, and I had to wonder, with so many birds too exhausted to be 
afraid of humans, how many may have perished unseen over the Gulf?

Migration seemed highly unusual this year.  Normally, species like Blue-headed 
Vireo would suddenly fill the forests overnight.  This year, I found ONE, and 
then a week went by and I found a second one, then several days went by and 
they began to arrive in a trickle.  Species were, for the most part, late 
arriving and they trickled in.  We have been waiting for the forests to fill, 
but it hasn’t happened and it is now June 4th.  In a section of Massawepie Mire 
that is normally filled with breeding Canada Warblers, we heard one on 
Saturday.  It is definitely worrisome.

As you mentioned, BBS surveys may help document the apparent population 
declines.  Thanks again for your thoughts about possible reasons for such 
worrisome declines.  I too, would be interested to hear the thoughts of other 
birders on this topic.

Joan Collins
Long Lake, NY


From: 
bounce-98052797-13418...@list.cornell.edu<mailto:bounce-98052797-13418...@list.cornell.edu>
 [mailto:bounce-98052797-13418...@list.cornell.edu<http://list.cornell.edu>] On 
Behalf Of Christopher T. Tessaglia-Hymes
Sent: Tuesday, June 04, 2013 12:18 PM
To: NYSBIRDS-L
Subject: [nysbirds-l] Fwd: Minimal Migration or Population Decline?

Good afternoon!

This morning, I sent the following email to NFC-L, the Night Flight Call eList, 
and thought some on NYSbirds-L might find this of interest or have some input.

Sincerely,
Chris T-H

Begin forwarded message:


Date: June 4,

Re: [nfc-l] [nysbirds-l] Fwd: Minimal Migration or Population Decline?

[Christopher T. Tessaglia-Hymes]

I did have a conversation with Laura Erickson of Minnesota recently, plus was 
pointed toward some of the archives for the Michigan bird list. Much 
conversation around even the Great Lakes this spring was of the noted lack of 
migration and NOT the abnormally high numbers of migrants passing through that 
region. Again, I think it would be very good for birders to continue gathering 
sighting data (or lack thereof – zeros as data are still data).

Sincerely,
Chris

On Jun 4, 2013, at 6:36 PM, mailto:birde...@yahoo.com>>
 mailto:birde...@yahoo.com>> wrote:

All,

My delayed, or lack there of, sightings of many 
migratory-Adirondack-breeding-species would fall in the same vein as what 
everyone else is seeing. However, watching the Doppler radar patterns(which I 
did over much of May) of spring migration species, show just what Chris has 
mentioned...there were many nights when birds came up along the Mississippi 
corridor due to that long lasting, and blocking weather pattern through much of 
early May(or somewhere around that time!). And also as Chris mentions, birds 
may have flown to the Great Lakes region(on favorable winds)and finally found 
some westerlies to get them to eastern breeding grounds. This could(?) explain 
why we missed so much in May.
Did we see higher (easterly) migration patterns around the Great Lakes(Chicago, 
Cleveland, Buffalo?)
I hope we can get some more birder-input on this fascinating topic!

Brian McAllister
Saranac Lake


On Jun 4, 2013, at 4:11 PM, "Joan E. Collins" 
mailto:joan.coll...@frontier.com>> wrote:

Thank you for this interesting post Chris.  This has been a dominate topic of 
discussion among many birders in the Adirondacks.  Sean O’Brien and I have been 
talking every few days wondering what has happened to many neotropical migrants 
this year.  I mentioned the low numbers of Blackpoll Warblers and 
Yellow-bellied Flycatchers on Whiteface Mountain in my earlier post today, but 
numbers of most neotropical migrants appear way down.  Sean keeps remarking 
that there is no dawn chorus this year.  Even my non-birder husband has been 
noting the lack of birds this spring.  Normally, you can’t sleep past 4:30 a.m. 
in our house at this time of year because of the remarkable dawn sounds outside 
our bedroom window, but it feels more like late summer every morning with the 
lack of songs.  I was aware of the weather-related fallout on the Gulf Coast of 
Texas in April, and I had to wonder, with so many birds too exhausted to be 
afraid of humans, how many may have perished unseen over the Gulf?

Migration seemed highly unusual this year.  Normally, species like Blue-headed 
Vireo would suddenly fill the forests overnight.  This year, I found ONE, and 
then a week went by and I found a second one, then several days went by and 
they began to arrive in a trickle.  Species were, for the most part, late 
arriving and they trickled in.  We have been waiting for the forests to fill, 
but it hasn’t happened and it is now June 4th.  In a section of Massawepie Mire 
that is normally filled with breeding Canada Warblers, we heard one on 
Saturday.  It is definitely worrisome.

As you mentioned, BBS surveys may help document the apparent population 
declines.  Thanks again for your thoughts about possible reasons for such 
worrisome declines.  I too, would be interested to hear the thoughts of other 
birders on this topic.

Joan Collins
Long Lake, NY


From: 
bounce-98052797-13418...@list.cornell.edu<mailto:bounce-98052797-13418...@list.cornell.edu>
 [mailto:bounce-98052797-13418...@list.cornell.edu] On Behalf Of Christopher T. 
Tessaglia-Hymes
Sent: Tuesday, June 04, 2013 12:18 PM
To: NYSBIRDS-L
Subject: [nysbirds-l] Fwd: Minimal Migration or Population Decline?

Good afternoon!

This morning, I sent the following email to NFC-L, the Night Flight Call eList, 
and thought some on NYSbirds-L might find this of interest or have some input.

Sincerely,
Chris T-H

Begin forwarded message:


Date: June 4, 2013 9:46:52 AM EDT
To: NFC-L mailto:nf...@list.cornell.edu>>
Subject: Minimal Migration or Population Decline?

Good morning,

I am curious to know if recording stations in the Northeast have experienced, 
numerically – with respect to quantity of night flight calls, a reduced number 
of migrants this spring as compared to past years. My perception is that there 
was a noticeable lack of birds moving throughout certain regions of the 
Northeast this spring. Conversely, did recording stations elsewhere (perhaps in 
the mid-west) record higher numbers of migrants this spring?

On the ground, for example, I don't ever remember a year when I only heard or 
saw 2-3 Blackpoll Warblers. Period. Usually, I would hear or see several 
Blackpoll Warblers on any given day over the course of a few days during the 
peak movement for this species. Of course, maybe a mass die-off of Blackpoll 
Warblers and other migrants went unnoticed this past fall or th

Re:[nfc-l] [nysbirds-l] Fwd: Minimal Migration or Population Decline?

[Christopher T. Tessaglia-Hymes]

Thank you, Joan, for this anecdotal evidence. Since it has been a couple of 
weeks now, I'm curious to know if anyone has noted an improvement in their 
local area birding spots, or if it has been more of the same. For me, I've 
noted a serious lack of typical neighborhood birds that used to be a regular 
part of the acoustic atmosphere: Rose-breasted Grosbeak, Baltimore Oriole and 
Red-eyed Vireo, just to name a few. I've also noticed a lack of Ruby-throated 
Hummingbirds this year – usually, they are zipping around and chittering in the 
neighborhood. Not so this year, yet anyway. If this is region-wide, I'd think 
it critically important to collect as much data as possible to help monitor or 
track this seeming dearth of activity. I expect this fall migration to be 
fairly telling, if there was a pop-ulation-wide impact of some kind.

Sincerely,
Chris T-H




On Jun 4, 2013, at 4:11 PM, Joan E. Collins wrote:

Thank you for this interesting post Chris.  This has been a dominate topic of 
discussion among many birders in the Adirondacks.  Sean O’Brien and I have been 
talking every few days wondering what has happened to many neotropical migrants 
this year.  I mentioned the low numbers of Blackpoll Warblers and 
Yellow-bellied Flycatchers on Whiteface Mountain in my earlier post today, but 
numbers of most neotropical migrants appear way down.  Sean keeps remarking 
that there is no dawn chorus this year.  Even my non-birder husband has been 
noting the lack of birds this spring.  Normally, you can’t sleep past 4:30 a.m. 
in our house at this time of year because of the remarkable dawn sounds outside 
our bedroom window, but it feels more like late summer every morning with the 
lack of songs.  I was aware of the weather-related fallout on the Gulf Coast of 
Texas in April, and I had to wonder, with so many birds too exhausted to be 
afraid of humans, how many may have perished unseen over the Gulf?

Migration seemed highly unusual this year.  Normally, species like Blue-headed 
Vireo would suddenly fill the forests overnight.  This year, I found ONE, and 
then a week went by and I found a second one, then several days went by and 
they began to arrive in a trickle.  Species were, for the most part, late 
arriving and they trickled in.  We have been waiting for the forests to fill, 
but it hasn’t happened and it is now June 4th.  In a section of Massawepie Mire 
that is normally filled with breeding Canada Warblers, we heard one on 
Saturday.  It is definitely worrisome.

As you mentioned, BBS surveys may help document the apparent population 
declines.  Thanks again for your thoughts about possible reasons for such 
worrisome declines.  I too, would be interested to hear the thoughts of other 
birders on this topic.

Joan Collins
Long Lake, NY


From: 
bounce-98052797-13418...@list.cornell.edu<mailto:bounce-98052797-13418...@list.cornell.edu>
 [mailto:bounce-98052797-13418...@list.cornell.edu] On Behalf Of Christopher T. 
Tessaglia-Hymes
Sent: Tuesday, June 04, 2013 12:18 PM
To: NYSBIRDS-L
Subject: [nysbirds-l] Fwd: Minimal Migration or Population Decline?

Good afternoon!

This morning, I sent the following email to NFC-L, the Night Flight Call eList, 
and thought some on NYSbirds-L might find this of interest or have some input.

Sincerely,
Chris T-H

Begin forwarded message:


Date: June 4, 2013 9:46:52 AM EDT
To: NFC-L mailto:nf...@list.cornell.edu>>
Subject: Minimal Migration or Population Decline?

Good morning,

I am curious to know if recording stations in the Northeast have experienced, 
numerically – with respect to quantity of night flight calls, a reduced number 
of migrants this spring as compared to past years. My perception is that there 
was a noticeable lack of birds moving throughout certain regions of the 
Northeast this spring. Conversely, did recording stations elsewhere (perhaps in 
the mid-west) record higher numbers of migrants this spring?

On the ground, for example, I don't ever remember a year when I only heard or 
saw 2-3 Blackpoll Warblers. Period. Usually, I would hear or see several 
Blackpoll Warblers on any given day over the course of a few days during the 
peak movement for this species. Of course, maybe a mass die-off of Blackpoll 
Warblers and other migrants went unnoticed this past fall or this spring, 
similar to the infamous mass die-off from 2-3 October 2011 at the Laurel 
Mountain wind facility in West Virginia. See: 
http://www.birdfellow.com/journal/2011/10/29/in_the_news_484_blackpoll_warblers_die_at_wind_farm.
 Note: it is suggested these birds succumbed to exhaustion from becoming 
trapped in the sphere of fog-reflected light produced by a lighted substation, 
which was accidentally left on overnight at the facility, rather than actual 
deaths caused by direct turbine strikes.

I know there was a memorable weather-related fallout on the Gulf Coast of Texas 
this past 25-27 April 2013. See: 
http://www.texasbirdimages.com/home/2013-fallo

[nfc-l] Cuckoo Migration

[Christopher T. Tessaglia-Hymes]

Last night was my highest Black-billed Cuckoo count since starting regular 
recording in late May of this year. A total of 21 vocalizations were heard from 
at least 18 different individuals passing over my house in Etna, NY.

I've uploaded a couple of images of the cuckoo chart for all of 2012 and for 
part of 2013, here:

2012 Migration Seasons:

http://www.northeastbirding.com/Cuckoo/2012Cuckoo.jpg

2013 Migration Season (unfortunately, I am lacking a significant chunk of data 
for May):

http://www.northeastbirding.com/Cuckoo/2013Cuckoo.jpg

Good birding!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


--

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Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

Re: [nfc-l] Cuckoos and Acadian Flycatcher - Etna, NY

[Christopher T. Tessaglia-Hymes]

PS - Interestingly, no Yellow-billed Cuckoos whatsoever during this overnight 
push.

Sincerely,
Chris T-H

On Jun 6, 2013, at 6:55 AM, Christopher T. Tessaglia-Hymes wrote:

Just a quick note to report that there was a significant but brief flight of 
Black-billed Cuckoos last night (5-6 June). Unfortunately, I was unable to 
start recording and listening until after 11:05pm, so I am nearly certain that 
I missed several cuckoos. Between 11:17pm and 2:02am, a total of 13 distinctly 
different calling Black-billed Cuckoos flew over Etna, NY.

Another really nice surprise was a single call note (not song) from an ACADIAN 
FLYCATCHER.

Only other birds were: 1 Swainson's Thrush, 1 Willow Flycatcher, 1 warbler 
downsweep, 1 Green Heron, and a single unidentified but loud Vireo-like call. 
This was only during that 2 hr 45 minute span. After 2:02pm, it's as if the 
migration faucet shut right down, probably because of the rain to the South of 
us.

Results are from a quick hand-browsing of data, over the course of about 45 
minutes just now.

Good night-listening!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

--
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Please submit your observations to eBird<http://ebird.org/content/ebird/>!
--

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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Please submit your observations to eBird:
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--

[nfc-l] Cuckoos and Acadian Flycatcher - Etna, NY

[Christopher T. Tessaglia-Hymes]

Just a quick note to report that there was a significant but brief flight of 
Black-billed Cuckoos last night (5-6 June). Unfortunately, I was unable to 
start recording and listening until after 11:05pm, so I am nearly certain that 
I missed several cuckoos. Between 11:17pm and 2:02am, a total of 13 distinctly 
different calling Black-billed Cuckoos flew over Etna, NY.

Another really nice surprise was a single call note (not song) from an ACADIAN 
FLYCATCHER.

Only other birds were: 1 Swainson's Thrush, 1 Willow Flycatcher, 1 warbler 
downsweep, 1 Green Heron, and a single unidentified but loud Vireo-like call. 
This was only during that 2 hr 45 minute span. After 2:02pm, it's as if the 
migration faucet shut right down, probably because of the rain to the South of 
us.

Results are from a quick hand-browsing of data, over the course of about 45 
minutes just now.

Good night-listening!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


--

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Please submit your observations to eBird:
http://ebird.org/content/ebird/

--

[nfc-l] 2012 Cuckoo Migration

[Christopher T. Tessaglia-Hymes]

Thought I'd share the attached chart with anyone interested in these data.

It would make sense that the first peak in migration are returning adults, 
while the latter hump in migration (in June) are first-year birds. I imagine, 
if this is the case, it can be supported by banding data.

Please note that these numbers are total calls recorded over the time-span of 
the 2012 migration season and do include minimal repetition of some individual 
Black-billed Cuckoos; in rare cases, individual Black-billed Cuckoos can 
audibly be heard (or seen via spectrogram) repeat their call frequently enough 
to be heard twice and, with extreme rarity, thrice. This year's numbers which I 
have posted to the eList do not include repetition of presumed "same" 
individuals; however, I am still keeping those audio data as examples.

So far, I am not aware of Yellow-billed Cuckoos audibly being heard repeating 
singing bouts frequent enough to be heard twice in a short time-span, thus 
duplication is not evident for Yellow-billed Cuckoos.

Enjoy!

Sincerely,
Chris T-H



--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

--

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2012 Cuckoo Migration.pdf
Description: 2012 Cuckoo Migration.pdf

[nfc-l] Cuckoo Migration - 4-5 June 2013

[Christopher T. Tessaglia-Hymes]

Just a quick note to say that last night was very quiet, migration-wise. Only 
two Black-billed Cuckoos were heard in migration. The only other bird of note 
was a single Swainson's Thrush.

Good night-listening!

Sincerely,
Chris T-H

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[nfc-l] Minimal Migration or Population Decline?

[Christopher T. Tessaglia-Hymes]

Good morning,

I am curious to know if recording stations in the Northeast have experienced, 
numerically – with respect to quantity of night flight calls, a reduced number 
of migrants this spring as compared to past years. My perception is that there 
was a noticeable lack of birds moving throughout certain regions of the 
Northeast this spring. Conversely, did recording stations elsewhere (perhaps in 
the mid-west) record higher numbers of migrants this spring?

On the ground, for example, I don't ever remember a year when I only heard or 
saw 2-3 Blackpoll Warblers. Period. Usually, I would hear or see several 
Blackpoll Warblers on any given day over the course of a few days during the 
peak movement for this species. Of course, maybe a mass die-off of Blackpoll 
Warblers and other migrants went unnoticed this past fall or this spring, 
similar to the infamous mass die-off from 2-3 October 2011 at the Laurel 
Mountain wind facility in West Virginia. See: 
http://www.birdfellow.com/journal/2011/10/29/in_the_news_484_blackpoll_warblers_die_at_wind_farm.
 Note: it is suggested these birds succumbed to exhaustion from becoming 
trapped in the sphere of fog-reflected light produced by a lighted substation, 
which was accidentally left on overnight at the facility, rather than actual 
deaths caused by direct turbine strikes.

I know there was a memorable weather-related fallout on the Gulf Coast of Texas 
this past 25-27 April 2013. See: 
http://www.texasbirdimages.com/home/2013-fallout---cameron-county/nueces-co-list---april-25-2013.
 It makes me wonder if it is at all possible for unfortunately-timed severe 
weather-related events, during key trans-Gulf crossings, to result in 
population-wide declines of neotropical migrants.

Or, is this just an anomalous year as a result of the negative phase of the 
North Atlantic Oscillation, producing unfavorable conditions for nocturnal 
movement of small passerines into the Northeast. In possible scenarios like 
this, do boreal neotropical migrants favor an alternate springtime route that 
may carry them North, up the Mississippi Flyway to a point North of the Great 
Lakes, allowing them to then catch the prevailing West wind in an Easterly 
direction to their breeding grounds? If such a scenario were to play out, how 
do first spring individuals learn of these routes? Do they follow the masses?

Interestingly, I'm finding that the cuckoos seem most unaffected by minor 
Northerly airflow at night (such as the night of 2-3 June). I'm sure their body 
size and wing length have everything to do with the ability to migrate into a 
headwind as compared to smaller passerines, such as warblers. Last night, in 
calm to light winds, I recorded 7 different Black-billed Cuckoos and a single 
Yellow-billed Cuckoo, plus a single Virginia Rail, one Alder Flycatcher, one 
Swainson's Thrush, and a single Indigo Bunting.

Unfortunately, I was not recording sooner this spring in Etna, NY, so don't 
have a good comparison of this year to last year (for peak migration); however, 
I did get out as much as possible to a migrant stopover patch on most mornings 
(see the Hawthorn Orchard: 
http://www.birds.cornell.edu/cayugabirdclub/hawthorn.htm and check eBird for 
this site). My perception from daytime observation was a serious lack of 
neotropical migrants, yet with a reasonable amount of resources (insect larvae) 
for them to feed upon. This was one of the more memorable springtimes for me, 
with respect to flowering trees. I don't recall a time in the recent past of a 
springtime with the same amazingly full quantity of flowers remaining on the 
trees for as long as they did, yet with so few migrants. Though, perhaps in 
actuality there may have been fewer food resources (insect larvae) available 
than in past years, due to the cooler weather this spring (in the Northeast).

If weather conditions correlate as closely to food resource availability as is 
probably the case, perhaps the birds use weather-related cues to avoid 
migration routes that may lead through regions with a dearth of food resources 
as compared to routes through other regions with high food resources. Or, 
perhaps there was a mass die-off in the Gulf this spring or the Atlantic and/or 
Gulf last fall, or at nighttime lighted facilities on unfortunately 
fog-enshrouded nights. It all seems so speculative without looking at long-term 
population trends in different regions. I think it will be interesting to watch 
for the comparative results from this year's Breeding Bird Surveys to past 
Surveys and of Surveys to come in future years, as well as the gradual 
accumulation of records in eBird.

Thanks for any thoughts and input on this!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

[nfc-l] Cuckoo Migration - Continued

[Christopher T. Tessaglia-Hymes]

Last night (2-3 June) was unexpectedly active for cuckoos. We had the passage 
of a cold front move through our region late afternoon on 2 June, resulting in 
a light Northwest airflow across our region overnight.

Despite this headwind, a total of 12 Black-billed Cuckoos and 4 Yellow-billed 
Cuckoos called between 11:36pm and 4:25am.

Other birds of note:

3 Swainson's Thrushes
1 Gray-cheeked Thrush

1 Green Heron

Otherwise, pretty quiet night!

Attached is an example of one of the nicer, louder Black-billed Cuckoos.

Good night-listening!

Sincerely,
Chris T-H

--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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ETNA_NY_20130603.020948_Black-billed Cuckoo NICE.wav
Description: ETNA_NY_20130603.020948_Black-billed Cuckoo NICE.wav

[nfc-l] Cuckoo Migration

[Christopher T. Tessaglia-Hymes]

Good morning!

Since I've started recording most favorable nights (late May, on), it would 
seem that Cuckoo migration is well under way.

The biggest push seemed to be the night of 31 May to 1 June. On this night, I 
recorded 12 distinctly different Black-billed Cuckoos, with the first occurring 
at 10:46pm and the last occurring at 4:02am.

Five Yellow-billed Cuckoos called over this same night, the first at 10:56pm 
and the last at 4:14am.

Last night (1-2 June) was less favorable, with generally breezier than ideal 
conditions. Only three Black-billed Cuckoos were recorded calling (night flight 
call) overhead at 11:57pm, 2:19am, and 3:55am.

Daytime reports of Cuckoos has also been up in this region over the past few 
days.

Good night listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Night Flight - Etna, NY: 29-30 May 2013

[Christopher T. Tessaglia-Hymes]

Last night, there was a slight push of migrants over Etna, NY, following a 
strong storm system that passed earlier in the evening. Not super high numbers, 
but a nice mix.

Between 9:40pm-4:15am. I was recording and listening the entire night (well, 
most of the listening was in my sleep...).

1 Virginia Rail
1 Green Heron
2 Spotted Sandpipers

6 Black-billed Cuckoos
2 Yellow-billed Cuckoos
3 Willow Flycatchers
1 Alder Flycatcher
1 Red-eyed Vireo

20+ Gray-cheeked Thrushes
4+ Swainson's Thrushes
2 Wood Thrushes
1 Rose-breasted Grosbeak

1 Chestnut-sided Warbler
1 Mourning Warbler (song)
2 American Redstarts
4 Common Yellowthroats (1 call, 3 song)
10+ Other warbler flight notes

Good night-listening!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Etna Night Flight - 22 May, Early AM

[Christopher T. Tessaglia-Hymes]

This morning, I started listening and recording in Etna, NY, just after 
midnight, following the passage of a line of thunderstorms and rain showers.

Predominant species for the ~5 hours of recording was SWAINSON'S THRUSH. 
Probably a good two hundred or more calls were produced in between the 
remaining rain showers.

Other species of interest that were vocally present included: GRAY-CHEEKED 
THRUSH (4), ALDER FLYCATCHER (2), BLACK-BILLED CUCKOO (12+), YELLOW-BILLED 
CUCKOO (1), SCARLET TANAGER (1), Common Yellowthroat (several calls and a 
handful in song), Yellow Warbler (one in song), Chipping Sparrow (local in 
song), VEERY (2), WOOD THRUSH (at least 2), ROSE-BREASTED GROSBEAK (a few), 
plus a good number of other miscellaneous warbler calls that I haven't taken 
time to ID to species.

In the process of installing my microphone I tore the medial meniscus in my 
right knee, so I think I'll be doing much more night listening rather than 
early AM birding for the rest of this spring!

Good birding!

Sincerely,
Chris T-H


--
Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp


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[nfc-l] Fwd: Understanding radar and quantifying migration

[Christopher T. Tessaglia-Hymes]

I thought the link below might be of interest to some on this eList.

Good night listening as the season ramps up!

Sincerely,
Chris T-H

Begin forwarded message:

From: Christopher Leighton Wood 
mailto:chris.w...@cornell.edu>>
Date: April 9, 2013 5:25:23 PM EDT
To: CAYUGABIRDS-L 
mailto:cayugabird...@list.cornell.edu>>
Subject: [cayugabirds-l] Understanding radar and quantifying migration
Reply-To: Christopher Leighton Wood 
mailto:chris.w...@cornell.edu>>

At last night's very well attended Cayuga Bird Club meeting at the Cornell Lab 
of Ornithology, David Nicosia gave an overview of birds and weather. There was 
a question about quantifying how many migrants are moving in relation to radar. 
I mentioned some Sid Gauthreaux and Carroll Belser's work at Clemson to develop 
a calibration curve for interpreting radar reflectivity in comparison with 
Lowery's classic moonwatching work. I also promised some additional information 
for those interested. Andrew Farnsworth has posted a primer on understanding 
radar and birds that discusses this and other aspects of radar and birds.

http://birdcast.info/forecast/understanding-birds-and-radar/

Cheers,
Chris

Christopher Wood
eBird Project Leader
Cornell Lab of Ornithology
http://ebird.org
http://birds.cornell.edu
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Re: [nfc-l] Assistance with call id

[Christopher T. Tessaglia-Hymes]

I believe this sounds like a Henslow's Sparrow.

Same timbre/quality as the recording of a known bird.

Cool!!

Sincerely,
Chris T-H


On Oct 24, 2012, at 1:02 PM, Soehren, Eric C. wrote:

NFC aficionados,

Our nightly recordings showed nice passerine movements on the nights of Oct. 
20th (257 call detections) and 21st (220 call detections) over southeast 
Alabama.  We’ve been going through our spectrographs and have a question about 
the one attached.  We think it may either be a Brown Creeper or possibly a 
Henslow’s Sparrow.  Any thoughts on this would be greatly appreciated.

Thanks,


Eric C. Soehren
Elhew Field Station
Wehle Land Conservation Center
4819 Pleasant Hill Road
Midway, AL 36053
(334) 529-3003 (Office)
(334) 850-4553 (Work Cell)

Satellite Office:

AL DCNR, State Lands Division
64 North Union Street, Suite 464
Montgomery, AL 36104
(334) 353-7996 (Office)
(334) 242-0999 (Facsimile)

eric.soeh...@dcnr.alabama.gov<mailto:eric.soeh...@dcnr.alabama.gov>

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<2012-10-21-073607.86.wav><2012-10-21-073607.86.png>

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[nfc-l] ADMIN: Raven Pro Software Discount ­– 10th Anniversary Celebration

[Christopher T. Tessaglia-Hymes]

Good evening!

I have received the following exciting information from Tim Krein and the Raven 
Software Team, that many subscribers to this eList may be able to benefit from. 
Please feel free to share with others who may be interested.

This Halloween, 31 October 2012, marks the 10th anniversary of the first beta 
version released for Raven 1.0. In celebration of this 10-year anniversary, the 
current version of Raven Pro Software (plus an alpha build of Raven Pro 1.5) 
will be available for purchase at 75% off the regular price. This promotional 
discount will be available from now through 12 November 2012. Visit 
http://RavenSoundSoftware.com and enter the 
discount code TENYEARSOFRAVEN to take advantage of this special price 
reduction. Additional details from Tim follow.

Raven Software was initially created to help scientists acquire, visualize, 
measure and analyze sounds. Over the past ten years, we've added a free version 
(Raven Lite) and a museum kiosk version (Raven Exhibit) as well as multiple 
versions of Raven Pro with new features including detection and cross 
correlation. To commemorate this occasion, we will be offering 75% discounts 
off standard, commercial, and instructional/lab licenses of Raven Pro from now 
through 12 November 2012. Visit 
http://RavenSoundSoftware.com/ for more 
information and for the discount code to enter at check-out through our online 
store. Other discounts available for Raven Pro may not be combined with this 
discount. If you've been waiting in the wings to purchase this powerful 
software, now is the time to buy. Free upgrades to Raven Pro 1.5 will be 
eligible for all licenses purchased as part of this promotion and any other 
licenses purchased for Raven Pro 1.4 and previous versions.

In addition to the discount promotion, we have made the first alpha build of 
Raven Pro 1.5 available on our web site. This version includes a gridded 
selection review and annotation tool that should be useful for rapid review and 
human classification of selections created by detectors or manual human 
browsing. The alpha version includes support to display actual clock times in 
the time axis, new playback features and the ability to compare selection 
tables to assess detector performance.

A 30-day trial period of Raven Pro 1.4 is available by writing to 
raven_ord...@cornell.edu, but don't miss out 
on the chance to obtain a permanent license for the software at the discounted 
rate through 12 November 2012.

We hope that users on this eList will take advantage of the 10-year anniversary 
pricing and try out the new version of the software!

Regards,
Tim Krein
Raven Sound Software and Exhibit Development
Bioacoustics Research Program
Cornell Lab of Ornithology

Sincerely,
Chris T-H


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[nfc-l] Night Flight - Upstate NY

[Christopher T. Tessaglia-Hymes]

There's a pretty constant stream of Sparrows and Warblers tonight over Etna, NY.

Good luck to anyone else listening in this area!

Sincerely,
Chris T-H

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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
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[nfc-l] Mystery LF Call

[Christopher T. Tessaglia-Hymes]

The following call has me temporarily stumped. It was definitely a transiting 
bird in the sky, as it called again a few moments later, but clearly farther 
away. It has certain rail-like qualities or perhaps tern- or shorebird-like 
qualities.

Thoughts?

Thanks!

Sincerely,
Chris T-H

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ETNA_NY_20121004.064115_Mystery Call.wav
Description: ETNA_NY_20121004.064115_Mystery Call.wav
<>

[nfc-l] Gray-cheeked Thrush Examples

[Christopher T. Tessaglia-Hymes]

For those interested, here are some examples of typical Gray-cheeked Thrush 
night flight calls from some recent nights over Etna, NY.

Sincerely,
Chris T-H

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Christopher T. Tessaglia-Hymes
Field Applications Engineer
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ETNA_NY_20121004.051815_Gray-cheeked Thrush.wav
Description: ETNA_NY_20121004.051815_Gray-cheeked Thrush.wav


ETNA_NY_20121004.055315_Gray-cheeked Thrush.wav
Description: ETNA_NY_20121004.055315_Gray-cheeked Thrush.wav


ETNA_NY_20121004.060115_Gray-cheeked Thrush.wav
Description: ETNA_NY_20121004.060115_Gray-cheeked Thrush.wav


ETNA_NY_20120928.001239_Gray-cheeked Thrush.wav
Description: ETNA_NY_20120928.001239_Gray-cheeked Thrush.wav


ETNA_NY_20120928.001739_Gray-cheeked Thrush.wav
Description: ETNA_NY_20120928.001739_Gray-cheeked Thrush.wav


ETNA_NY_20120930.033958_Gray-cheeked Thrush.wav
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[nfc-l] Etna, NY: BICKNELL'S THRUSH - 10/4/2012

[Christopher T. Tessaglia-Hymes]

During the morning descent of thrushes calling, I was pleasantly surprised to 
record another nice example of a BICKNELL'S THRUSH flight call. This bird 
called at 6:29AM.

This bird's call peaks out at about 5.23kHz, well above any Gray-cheeked Thrush 
NFC that I've seen. Most of the Gray-cheeked Thrush flight calls that I have 
recorded, peak out in the 3.5-4.5kHz frequency band, with a very occasional 
call that might peak out every so slightly above 4.5kHz.

The overall duration of this call is shorter than the one from the other night, 
this lasting only 208ms.

The quality and timbre of the call is likened to a much higher-pitched and 
wheezy-sounding "Gray-cheeked Thrush".

An edited copy of the call is attached, again to remove the cricket band and 
slightly amplify the sound.

A screen grab of the call is also attached.

Good night listening!

Sincerely,
Chris T-H



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Christopher T. Tessaglia-Hymes
Field Applications Engineer
Bioacoustics Research Program, Cornell Lab of Ornithology
159 Sapsucker Woods Road, Ithaca, New York 14850
W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
http://www.birds.cornell.edu/brp

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