Re: [nfc-l] recording of Swainson's Thrush nocturnal flight calls before song on Manitoba breeding grounds

[Andrew Albright]

that's interesting. one thing that I've noticed (or not noticed) is that as
Veery, Hermit thrush, Swainson's come through Pennsylvania in migration
(fall and spring), they don't seem to call at all on the ground during the
day.  Very occasionally I'll hear singing of Swainson's.   I'm not sure I
have ever heard Hermit thrush sing.

On Mon, Aug 15, 2016 at 2:06 PM, Jeff Wells 
wrote:

> Earlier in July I was on a small island off the Maine coast and the
> Swainson’s Thrushes there were giving the nocturnal call note like crazy!
>
>
>
> Jeff
>
>
>
> *From:* John Kearney [mailto:john.kear...@ns.sympatico.ca]
> *Sent:* Sunday, August 14, 2016 9:55 AM
> *To:* Jeff Wells; 'NFC-L'
> *Subject:* RE: [nfc-l] recording of Swainson's Thrush nocturnal flight
> calls before song on Manitoba breeding grounds
>
>
>
> Hi Jeff and all,
>
> Quite interesting. I’ve heard this in Nova Scotia as well, especially near
> the end of the breeding season.
>
> John
>
>
>
> 
>
> John F. Kearney
>
> Carleton, Nova Scotia
>
> CANADA
>
>
>
>
>
> *From:* bounce-120683369-28417...@list.cornell.edu [
> mailto:bounce-120683369-28417...@list.cornell.edu
> ] *On Behalf Of *Jeff Wells
> *Sent:* August-11-16 15:08
> *To:* NFC-L 
> *Subject:* [nfc-l] recording of Swainson's Thrush nocturnal flight calls
> before song on Manitoba breeding grounds
>
>
>
>
>
> In case anyone interested:
>
>
>
> https://soundcloud.com/birdwells/swainsons-thrush-
> nocturnal-call-notes-before-song-poplar-river-manitoba-
> s4a01761-20160608-050002
>
>
>
> Jeff Wells
>
>
>
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Re: [nfc-l] Migrants 5/24/16

[andrew . albright]

I was interested in trying to do both recording and sound processing with 
Raspberry Pi.   Also has anyone looked into whether there are wifi/Bluetooth 
enabled microphones?

Sent from my iPhone

> On May 25, 2016, at 2:46 PM, John Kearney  
> wrote:
> 
> This looks very promising! Thank you Brian. 
> John
> 
> 
>> On May 25, 2016, at 5:36 PM, Brian Wilson  wrote:
>> 
>> Specs on the Teensy + Teensy audio card look good to me.
>> 16 bit CD rate stereo recording
>> 32 bit ARM processor
>> Micro SD card slot
>> Stripped down - no ethernet / wifi / bluetooth / video controller that you 
>> don't need (but can be added as extras)
>> About $30 for the 2 cards
>> 
>> http://www.prjc.com
>> 
>> No personal experience with these but watch the tutorial video. Looks pretty 
>> easy to work with.
>> 
>> 
>>> On Wed, May 25, 2016 at 11:16 AM, Jesse Ross  wrote:
>>> Hi John,
>>> 
>>> The Raspberry Pi can be used for audio recording, but it does not have a 
>>> microphone jack, so the sound has to come in through USB or a custom sound 
>>> card such as this (which claims to support 24-bit!): 
>>> http://readwrite.com/2014/03/11/raspberry-pi-wolfson-sound-card-3-ways-to-use-it/
>>> 
>>> Raspberry Pi is not optimized for low power consumption, so if you're 
>>> looking to run off of battery you might have better luck with other 
>>> board-based computers which are a bit more careful about power. I've heard 
>>> good things about Beaglebone.
>>> 
>>> best wishes,
>>> jesse
>>> 
 On Wed, May 25, 2016 at 10:39 AM, John Kearney 
  wrote:
 Thanks Jerald. I find it very interesting to learn what other people are 
 using for nocturnal monitoring. It often gives me new ideas. I’m curious 
 to know if anyone has tried using the Raspberry Pi computer as a recording 
 device and how long it could run on batteries.
 
 John
 
  
 
 From: Jerald Reb [mailto:jrebel...@gmail.com] 
 Sent: May-25-16 13:20
 To: John Kearney 
 Cc: nfc-l@cornell.edu
 Subject: Re: [nfc-l] Migrants 5/24/16
 
  
 
 Hi John, I'm in Delaware, I meant to include that and forgot. Yes, I 
 record overnight, and I save calls that I hear live. I'm using a mic that 
 I built loosely following the plans on the Oldbird website, and a preamp 
 that I bought from Amazon. For recording I use Raven lite while listening 
 live, but I record overnight with audacity and the oldbird detectors.
 
 
 
 
 Jerald
 
 
 On May 25, 2016, at 11:48 AM, John Kearney  
 wrote:
 
 Hi Jerald,
 
 An impressive list! Have you told us where you are located? Are you 
 recording and if so, what kind of equipment are you using?
 
 John
 
  
 
 From: bounce-120517698-28417...@list.cornell.edu 
 [mailto:bounce-120517698-28417...@list.cornell.edu] On Behalf Of Jerald
 Sent: May-25-16 12:38
 To: nfc-l 
 Subject: [nfc-l] Migrants 5/24/16
 
  
 
 Hello all,
 
  
 
 Last night was great for migration, and I had the following species fly 
 over:
 
  
 
 Shorebird Sp. (NFC 2)
 
 YBCU (NFC 1)
 
 SWTH (NFC 76)
 
 VEER (NFC 13)
 
 WOTH (NFC 1)
 
 AMRE (NFC 12)
 
 CAWA (NFC 1)
 
 Warbler Sp. (NFC 57; many zeeps)
 
 BOBO (NFC 2)
 
  
 
 I also had two possible Cape May Warblers.
 
  
 
 Jerald
 
  
 
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 Jerald
 
  
 
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>> 
>> 
>> -- 
>> Brian Wilson, GISP
>> Wildsong 707-827-0001
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Re:[nfc-l] About your Hermit Thrush observation in eBird

[Andrew Albright]

The ebird NFC instructions are not clear.


On Tuesday, October 21, 2014, Holly Merker  wrote:

> Hello Andrew,
> I'm the lead reviewer for eBird in Pennsylvania. I'm also on this NFC
> list, and so just read your post.
> I'm not sure why you sent Brian's private email to the entire list, but I
> am perceiving it as frustration with eBird review process.
>
> Please understand that eBird editors are volunteers, and it's our job to
> do the best we can to make sure the data entered into eBird is as accurate
> as possible in regard to science. Brian's emails to you, all of which I
> have read, have not been anything but helpful in trying to guide you to the
> process of entering NFC data- which is tricky, but which eBird outlines
> clearly in the instructions.
>
> If you are contributing your records to eBird for the purpose of science,
> we are just asking that you follow the protocols outlined.
>
> If you are using eBird to keep a personal NFC checklist- no problem- that
> is fine. But, please let us know- we can easily not send time working on
> it, and instead your records will be your own personal records, but not
> showing on the eBird data output.
> Thanks,
> Holly Merker
> eBird Pennslyvania
>
>
> On Tue, Oct 21, 2014 at 4:13 PM, Andrew Albright <
> andrew.albri...@gmail.com
> > wrote:
>
>> *Bird counting:* We ask that you count the number of calls and, when
>> possible, try to estimate the number of birds present.
>>
>> On Tuesday, October 21, 2014, Brian Henderson via eBird <
>> ebird-rev...@cornell.edu
>> > wrote:
>>
>>> Hey Andrew,
>>>
>>> I hate to sound like a broken record, but to stress one last time:
>>>
>>> For NFCs, eBird wants the bird/individual count listed in the number
>>> field, not call count.
>>>
>>> For Hermit Thrush on this list, you've got "NFC 4 | 3 different birds"
>>> in the notes.  The reported count on in the number field is 4.  It should
>>> be 3, based on what's stated in the notes.  (The notes are fine - no need
>>> to change those.)
>>>
>>> Thanks!
>>>
>>> Species: Hermit Thrush
>>> Count: 4
>>> Observation date: Oct 20, 2014
>>> Location: US-PA-Maple Glen, Montgomery, US-PA
>>> Submission ID: S20295933
>>> http://ebird.org/ebird/view/checklist?subID=S20295933
>>>
>>> We strive for a high level of data quality at eBird not only because
>>> eBird is a scientific database, but also because we want to provide the
>>> best resources for the birding community. Birders use eBird every day to
>>> learn about bird distribution and occurrence, and your data are a valuable
>>> part of that process. If you'd like to learn more about the eBird data
>>> quality process click here: (
>>> http://help.ebird.org/customer/portal/articles/1055676-understanding-the-ebird-review-and-data-quality-process
>>> ).
>>>
>>> Thanks for your understanding and for any help that you can provide. And
>>> most importantly, thank you for using eBird. Your participation is valued,
>>> and the observations you submit are an important part of helping us better
>>> understand birds and biodiversity in your area and around the world.
>>>
>>> Brian Henderson
>>> wbhender...@gmail.com
>>>
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>
>
>
> --
> *Holly Cybelle Merker*
> *Downingtown, PA*
> *hcybe...@gmail.com *
>
>

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Re:[nfc-l] About your Hermit Thrush observation in eBird

[Andrew Albright]

*Bird counting:* We ask that you count the number of calls and, when
possible, try to estimate the number of birds present.

On Tuesday, October 21, 2014, Brian Henderson via eBird <
ebird-rev...@cornell.edu> wrote:

> Hey Andrew,
>
> I hate to sound like a broken record, but to stress one last time:
>
> For NFCs, eBird wants the bird/individual count listed in the number
> field, not call count.
>
> For Hermit Thrush on this list, you've got "NFC 4 | 3 different birds" in
> the notes.  The reported count on in the number field is 4.  It should be
> 3, based on what's stated in the notes.  (The notes are fine - no need to
> change those.)
>
> Thanks!
>
> Species: Hermit Thrush
> Count: 4
> Observation date: Oct 20, 2014
> Location: US-PA-Maple Glen, Montgomery, US-PA
> Submission ID: S20295933
> http://ebird.org/ebird/view/checklist?subID=S20295933
>
> We strive for a high level of data quality at eBird not only because eBird
> is a scientific database, but also because we want to provide the best
> resources for the birding community. Birders use eBird every day to learn
> about bird distribution and occurrence, and your data are a valuable part
> of that process. If you'd like to learn more about the eBird data quality
> process click here: (
> http://help.ebird.org/customer/portal/articles/1055676-understanding-the-ebird-review-and-data-quality-process
> ).
>
> Thanks for your understanding and for any help that you can provide. And
> most importantly, thank you for using eBird. Your participation is valued,
> and the observations you submit are an important part of helping us better
> understand birds and biodiversity in your area and around the world.
>
> Brian Henderson
> wbhender...@gmail.com 
>

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Re: [nfc-l] NFCs on Facebook

[Andrew Albright]

I agree on all points.

On Tuesday, September 30, 2014, Rob Fergus  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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Re: [cayugabirds-l] Fwd: [nfc-l] Thursday: Night Flight in Northeast

[Andrew Albright]

Thanks Ken,

I think we are listening and observing in the same manner.   And just to
make sure that I understand how to record NFC, here's what and how I
recorded NFC this morning from 5:30-6:00am.

*Must select*
NFC protocol (Can initially submit via iBird if initial submission is on a
smartphone)

*Choices for total number of individual birds*
1) Exact count
2) Estimated number of birds
3) "X" if there too many to reasonably count.

For example, this morning I heard
Example 1  4 Wood Thrush calls were spread out with more than a minute
in between each call. I recorded this as "4" for number of birds and NFC 4
Example 2  A single Gray-Cheeked Thrush call, then a few minutes later
two NFC within a second of each, a few minutes later another single call,
and then finally a few minutes after that two quick calls.  I recorded that
as 4 Gray-Cheeked thrush but in the notes, I wrote  NFC 6 with 4 separate
individuals.
Example 3  74 Swainson's thrush calls, many on top of each other. I
think I could estimate the number here but there would be some error so I
marked "X" for species number and wrote NFC 74.

Here is my submitted checklist:
http://ebird.org/ebird/view/checklist?subID=S19913535

Comments and corrections are welcome.


Sincerely,
Andrew


On Tue, Sep 23, 2014 at 12:29 AM, Kenneth V. Rosenberg 
wrote:

> Andrew et al.,
>
> I am by no means the expert here, and hopefully Andrew Farnsworth will
> chime in with any comments or suggestions, but basically all I do is listen
> in real time and count all the birds I can hear and identify. I don’t have
> a recording set-up at present. I’m fairly confident with many of the
> identifications but not with others — I use a lot of warbler sp. and
> sparrow sp.  I feel I can usually estimate number of individual birds
> passing pretty easily based on the timing and position of the calling birds
> in the sky — where I am there are no lights and the birds pass over in a
> consistent direction, with most individuals calling only once or twice
> within my range of hearing. During heavy flights or dense pulses of calling
> activity, I just do my best to keep track of individuals, and sometimes
> will estimate the ratio of species identified during a given period and
> apply that to the number I’m estimating — functionally this isn’t any
> different from how I would estimate large flocks of ducks or shorebirds or
> migrating hawks.  I’m sure there’s a certain amount of error, but not
> greater than for most other kinds of birding.
>
> Because I use BirdLog, I can easily tally the numbers as I go, but that
> also means I need to remember to change the protocol to NFC after the
> checklist is entered. (I believe BirdLog will eventually be able to record
> the NFC protocol, but I don’t know the timing on that).
>
> Hope this is helpful,
>
> KEN
>
>
> Kenneth V. Rosenberg
> Conservation Science Program
> Cornell Lab of Ornithology
> Office: 607-254-2412
> cell: 607-342-4594
> k...@cornell.edu
>
>  On Sep 22, 2014, at 9:01 PM, Andrew Albright 
> wrote:
>
>  Ken (and Chris*),
>
> I have a different interpretation of the ebird NFC rules/guideliness than
> the Montgomery county (Pennsylvania) ebird compiler for listening live
> (cc'd here).
> http://help.ebird.org/customer/portal/articles/1010492.
>
> It might be easier to just see an example of how you are logging your
> night flight calls into ebird because I think we are doing approximately
> the same activity - listening live and recording nfc that we can ID?  I
> checked "Recent Sightings" from Thompkins Co, NY and the only one example
> in  that I could find doesn't seem to fit guidelines
>
> *Other questions/improvement suggestings*
> 1) I brought up the question before about the species that you could
> conclusively identify as being separable, either partially or
> entirably. Even if it were not 100% agreed upon, I think it would be good
> if there were a standard that was used for nfc data entry, e.g. only those
> fields appear.   This would make data entry more standard, easier and
> provide a good starting point for a more detailed discussion.
>
> 2) It would be nice to provide a "cliff note" version of the
> instructions.  The weblink has quite a bit of information which could be
> broken down into background information and actionable instructions.
>
> 3) It would be good to push to have the smartphone app upgraded to enable
> more functionality that includes easy logging of the NFC protocol.
>
> Sincerely,
> Andrew Albright
>
>
> *Chris - If I recall, sometimes you post here that you listen live and
> sometimes you review remote recordings?
>
>
>
> On Fri, Sep 19, 2014 at 12:23 AM, Kenneth V. Rosenberg 
> wrote:
>
&g

Re: [cayugabirds-l] Fwd: [nfc-l] Thursday: Night Flight in Northeast

[Andrew Albright]

Ken (and Chris*),

I have a different interpretation of the ebird NFC rules/guideliness than
the Montgomery county (Pennsylvania) ebird compiler for listening live
(cc'd here).
http://help.ebird.org/customer/portal/articles/1010492.

It might be easier to just see an example of how you are logging your night
flight calls into ebird because I think we are doing approximately the same
activity - listening live and recording nfc that we can ID?  I checked
"Recent Sightings" from Thompkins Co, NY and the only one example in  that
I could find doesn't seem to fit guidelines

*Other questions/improvement suggestings*
1) I brought up the question before about the species that you could
conclusively identify as being separable, either partially or
entirably. Even if it were not 100% agreed upon, I think it would be good
if there were a standard that was used for nfc data entry, e.g. only those
fields appear.   This would make data entry more standard, easier and
provide a good starting point for a more detailed discussion.

2) It would be nice to provide a "cliff note" version of the instructions.
The weblink has quite a bit of information which could be broken down into
background information and actionable instructions.

3) It would be good to push to have the smartphone app upgraded to enable
more functionality that includes easy logging of the NFC protocol.

Sincerely,
Andrew Albright


*Chris - If I recall, sometimes you post here that you listen live and
sometimes you review remote recordings?



On Fri, Sep 19, 2014 at 12:23 AM, Kenneth V. Rosenberg 
wrote:

>  Just had about 200 thrushes (mostly Swainsons but also many Gray-cheeked
> and Wood Thrush) over my house in Northeast Ithaca in a 45 min count - also
> 12 Green Herons and an Am Bittern
>
> Ken
>
> Sent from my iPhone
>
> On Sep 18, 2014, at 9:41 PM, "Christopher T. Tessaglia-Hymes" <
> c...@cornell.edu> wrote:
>
>  Just a heads-up about a potential push of birds into this area overnight
> tonight...
>
> Begin forwarded message:
>
>  *From: *"Christopher T. Tessaglia-Hymes" 
> *Subject: **[nfc-l] Thursday: Night Flight in Northeast*
> *Date: *September 18, 2014 at 9:38:18 PM EDT
> *To: *NFC-L 
> *Reply-To: *"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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>
>  --
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> 159 Sapsucker Woods Road, Ithaca, New York 14850
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>
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Re: [nfc-l] List of birds with unique NFC

[Andrew Albright]

Dan,

The chart (Supplement S1) that you mention is exactly what I was
looking for.I'd consider myself a beginner/immediate nfc listener
and your chart is a great resource and will save me a lot of time in
trying to lookup, identify and confirm my guesses.

For example, I just heard a "tseep" and this chart saves me a lot of
time narrowing down my choices on what it might be and that I probably
don't need to spend too much time on this one since it could be a
bunch of different species.

I think that this is one additional nuance (maybe you covery this in
your paper) and that is that I think there are definitely intermediate
calls where sometimes you can be >95% certain that it is species A or
B but then there is an overlap when it could be 50% A and 50% B
(Grey-Cheeked vs Bicknell's for example).

Sincerely,
Andrew

On Wed, Aug 6, 2014 at 10:25 AM, Daniel Joshua Mennill
 wrote:
> Andrew,
>
> I'm not aware of any widely-agreed-upon list. Together with my graduate
> student Claire Sanders, I recently published a paper in Condor:
> Ornithological Advances where we compared NFC monitoring to banding data in
> eastern Lake Erie:
> Acoustic monitoring of nocturnally migrating birds accurately assesses the
> timing and magnitude of migration through the Great Lakes by Claire E.
> Sanders and Daniel J. Mennill
> In comparison to banding data, we show that NFC recordings accurately
> predict the timing and the magnitude of migration.  As part of that study,
> we developed a list of NFC that are unique.  There is an online supplement
> to the paper, including a list of the birds that we assigned to a
> "bioacoustic category" (multiple species with similar calls), and a list of
> birds that we considered unique.  We included many spectrograms in that
> supplement.  You can find the paper and the supplement on the journal
> Condor's website (http://www.aoucospubs.org/toc/cond/116/3).  I'd be happy
> to share my personal copy with people if they can't access Condor.
>
> I'm curious to know if there are other lists.  I'm also interested in
> whether other people have developed the capacity to distinguish between some
> of the species that Claire and I grouped together into bioacoustic
> categories.
>
> Dan
>
> Dan Mennill
> Associate Professor
> Faculty of Science Research Chair in Environment and Ecosystems
> Department of Biological Sciences
> University of Windsor
> Email: dmenn...@uwindsor.ca
> Web: www.uwindsor.ca/dmennill
>
>
> On Wed, Aug 6, 2014 at 9:58 AM, Andrew Albright 
> wrote:
>>
>> Is there an agree-upon list of NFC that are unique? I.e. There is little
>> or no overlap with other species so that when you hear this call you can be
>> reasonably certain what species.
>>
>>
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Re: [nfc-l] Veery movement

[Andrew Albright]

I'm a bit southeast from you in Montgomery County. I've only started
recording the last two nights with very few NFC heard (less than 5 per
hour).  I've heard no thrushes.

Is it possible the Veery are just doing short range post breeding migration?

Tonight looks to be much better on the radar btw!

On Wednesday, August 6, 2014, Rudolph Keller  wrote:

> At about 5:00 a.m. Aug. 5, I heard about 20 flight calls of Veery as birds
> descended into the woods around my house in southeastern PA. The birds
> switch to using more familiar diurnal calls shortly after they land in the
> woods. Based on those calls, about 5 birds were present. Has anyone with
> recording equipment recorded any Veery migrants yet this season?
> Rudy Keller
> Boyertown, PA
> Berks County
>
>
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[nfc-l] List of birds with unique NFC

[Andrew Albright]

Is there an agree-upon list of NFC that are unique? I.e. There is little or
no overlap with other species so that when you hear this call you can be
reasonably certain what species.

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Re: [nfc-l] Microphone Upgrade

[Andrew Albright]

Ted that is a really nice article.  I do think you missed a cheap option.

Namely a $60 digital recorder with a $50 microphone and a "dish".  I would
bet this out performs a handheld recorder with the amplification.

During spring migration I will walk around with this setup and earphones
and I pickup more than I do by ear alone.

For night flight I leave this outside without worry of the microphone
getting wet (I put the recorder in a plastic bag).

All for not much more than a 100 bucks.

https://m.soundcloud.com/user3781125/pileated1

Sincerely,
Andrew Albright

On Friday, July 11, 2014, Ted Floyd  wrote:

> Hi, everybody.
>
> I recently posted an online review of various microphones for recording
> bird vocalizations. Flight calls per se aren't really my focus in the
> review, but several of the microphones I discuss (especially the
> directional, shotgun-style Olympus LS-10) are fine for flight calls--as
> long as you're actually out there with the recorder.
>
> Here goes:
>
> http://blog.aba.org/2014/07/how-to-record-birdsong-1.html
>
> Ted Floyd
>
> Lafayette, Boulder County, Colorado, USA
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Re: [nfc-l] Microphone Upgrade

[Andrew Albright]

I would love to be able to hook my mic up to my smartphone and have an app
that shows sonagrams in real time.

 But right now I have an inexpensive workflow that works.

Sony bidirectional mic $55
Olympus recorder that records in mp3
---digital voice recorder ws-500m

I also bought a scientific parabola and attached the mic inside which
amplifies the sound.


On Thursday, June 26, 2014, Tom Auer  wrote:

> Hi All,
>
> I'm interested in improving my flight call recognition and I think the
> easiest way to do this will be to hear some of the sounds in real time and
> then check out the spectograms. I've used Raven and Audacity quite a bit,
> but where I'm lacking is a microphone.
>
> I don't have the cash to drop on true NFC flower pot mic, but am looking
> for something reasonable to attach to my phone, which has done well with
> recording recently using an Edutige. However, the Edutige doesn't quite get
> the fidelity on the flight calls for them to be identifiable in the
> spectrogram. Can anyone suggest a slight improvement up in mic quality that
> will get me the ability to capture NFCs? I'm looking at the Audio-Technica
> ATR-6550 shotgun mic as possibly the cheapest way, but am not sure if it
> will work.
>
> Any suggestions appreciated!
>
> Thanks!
> Tom Auer
> Biologist, Important Bird Areas Program
> National Audubon Society
> eBird Hotspot Editor for Montana
> http://tomauer.com/blog/
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[nfc-l] Will there be a big East Cost night flight soon?

[Andrew Albright]

I haven't followed every night over the last 7-10 days but every time
I check (like last night), the radar doesn't show much movement (see
attached for last night).   Has anyone been paying attention every
night?Is there going to be a big flight soon?

Also, this isn't birds, but thought it was interesting that an animal
call when unidentified for 50 years:
http://www.sciencerecorder.com/news/mysterious-underwater-sound-identified-and-its-not-a-bio-duck/

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Re:[nfc-l] pdf copy of this 1962 article? RADAR STUDIES OF SONGBIRD MIGRATION IN COASTAL NEW ENGLAND.

[Andrew Albright]

A kind person already sent a copy!

On Thu, Oct 31, 2013 at 7:44 PM, Andrew Albright
wrote:

> Hello,
>
> Does anyone have a pdf copy of the following article?
>
>
> Drury, W. H. and Keith, J. A. (1962), RADAR STUDIES OF SONGBIRD MIGRATION
> IN COASTAL NEW ENGLAND. Ibis, 104: 449–489.
> doi: 10./j.1474-919X.1962.tb08681.x
>
>
> Sincerley,
> Andrew Albright
>

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[nfc-l] pdf copy of this 1962 article? RADAR STUDIES OF SONGBIRD MIGRATION IN COASTAL NEW ENGLAND.

[Andrew Albright]

Hello,

Does anyone have a pdf copy of the following article?


Drury, W. H. and Keith, J. A. (1962), RADAR STUDIES OF SONGBIRD MIGRATION
IN COASTAL NEW ENGLAND. Ibis, 104: 449–489.
doi: 10./j.1474-919X.1962.tb08681.x


Sincerley,
Andrew Albright

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

[Andrew Albright]

Paul or others - do you have the link to the xeno canto discussion?

Two years ago, we had some discussion here -
http://www.mail-archive.com/nfc-l@cornell.edu/msg00509.html
There is some good information in that thread.

Without reading the xeno canto thread, it seems that there is an inbetween
area of either overlap between the two species and/or a subspecies
(probably Gray-Cheeked) that has the internmediate call.

Lastly, if the estimates of the population sizes are roughly correct
(Bicknell's at 100k and Gray-Cheeked at 12 million), then when in doubt is
safest to assume Gray-Cheeked.

On Wed, Sep 25, 2013 at 6:00 PM, Christopher T. Tessaglia-Hymes <
c...@cornell.edu> wrote:

> 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 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 
> To: NFC-L 
> 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 

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

[Andrew Albright]

"What is the theory for decreased contact/NFC calls as the night wears on?"

I thought one hypothesis(?) was that in the middle of the night the birds
are actually too high to be able to hear?

Has anyone ever tested empirically what elevation birds migrate at?   I
would think this would be relatively easy to do by placing several
microphones at different elevations on large manmade structures
(turbines/radio towers) or the top of ridge/valley and then compare how
loud the nfc calls are.

Some of this might already be published.
On Mon, Sep 9, 2013 at 12:01 PM, Christopher T. Tessaglia-Hymes <
c...@cornell.edu> wrote:

> 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
>
>   --
> Christopher T. Tessaglia-Hymes
> Field Applications Engineer
> Bioacoustics Research Program, Cornell Lab of Ornithology
> 159 Sapsucker Woods Road, Ithaca, New York 14850
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Re: [nfc-l] nocturnal movements

[Andrew Albright]

Very cool info graphics!
http://www.oldbird.org/Data/2013/TransNE2013/31-7Sep/Total.html

On Sun, Sep 8, 2013 at 10:10 PM, Bill Evans wrote:

>   Some patterns of songbird nocturnal migration across NY the past few
> weeks as indicated by nocturnal flight calls:
> http://www.oldbird.org/Data/2013/TransNE2013/NETransect-2013.html
>
> -Bill E
>
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Re: [nfc-l] Importing playable spectrograms into MS powerpoint?

[Andrew Albright]

I have actually done this for the thrushes found on the East Coast to
help learn them.  I have sonagrams and then audio imbedded into
powerpoint.  I have it on my computer at home.

On Fri, Feb 8, 2013 at 2:21 PM, Andy Martin  wrote:
> Hello NFCers,
>
> I am preparing a talk about Recording NFCs to give to my local bird club in
> a few weeks. I don't have a lot of experience with Powerpoint but was
> wondering if anybody out there has incorporated spectrograms (for my
> purposes, generated through Ravenlite) into a powerpoint presentation?
>
> My thinking at this point was to do a regular presentation with photos and
> some graphics with powerpoint, close that down and open and project
> Ravenlite on screen (with external speakers from laptop) to finish the talk
> with some NFC examples. Seemed the easiest way to go for my level of
> experience with computers and also I would especially like to be able to
> project the Ravenlite time scroll bar, thinking that will help my audience
> pinpoint when to expect the sound.
>
> However, if its easy to incorporate a playable spectrogram directly into
> Powerpoint, that might work better and give a more logical flow to the
> presentation.
>
> Anybody on the list dealt with this issue?
>
> Thanks for any advice.
>
> Andy Martin
> Gaithersburg, MD
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Re: [nfc-l] Any help appreciated

[Andrew Albright]

I'm not very good at just looking at the spectrograms (and not being able
to hear the sound), but this looks similiar to Gold-crown. Kinglet that
I've recorded recently during the day.   And the only other doublet of
common birds that I can think of for common birds is Dark-Eyed Junco?

On Sat, Nov 3, 2012 at 2:30 PM, John Kearney
wrote:

>  I had two calls last name that I can’t figure out. The first one looks
> like a Northern Waterthrush but I don’t think it is especially as it was
> preceded by a few seconds by the second call attached. The sound is not
> very clear so I didn’t include it.
>
> Thank you.
>
> John
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Re: [nfc-l] Long-eard owl or similar sounding species with nfc?

[Andrew Albright]

http://soundcloud.com/user3781125/whoo-cutdown

I heard some more, distant single calls.  I pasted them together.
The actual invididual calls were spread out over at total time of 1.5
hrs.

Also, we do have tons of deer in the area but are miles from any cattle.

And listening to it again with them spliced together, Mourning Dove
just popped into my head - especially with the modulation of pitches.
 Has anyone ever heard them call with a single call at 2:00am?

On Thu, Sep 20, 2012 at 11:24 AM, Benjamin Van Doren
 wrote:
> Andrew -
>
> A year or two ago I recorded a series of LEOW-like sounds that sounded decent 
> but not exactly right for this species. This was during late August I think. 
> They were spaced much closer together (every 10-15 s), and varied a lot in 
> pitch and tone. I may have posted a recording to this list, I'm not sure. At 
> any rate, the consensus seemed to be that they were likely not of avian 
> origin. Maybe deer? I'm not familiar with all the mammalian options.
>
> Maybe it would be interesting to compare our recordings.
>
> Of course, could be that you have a real Long-eared.
>
> Does anyone know how often LEOW calls outside of the breeding season?
>
> Benjamin Van Doren
>
> On Sep 20, 2012, at 10:53 AM, Andrew Albright  
> wrote:
>
>> I recorded nfc from 2-5am this morning.   Diversity and quantity is pretty 
>> good.
>>
>> At about 2:30am I had a single monotone "whoo" that reminded me of
>> Long-eared owl recordings (Stokes) except that it was slightly higher
>> pitched.  Then ~30 minutes later, I heard the same single "whoo" again
>> except that this was lower pitched and almost exactly matches Stokes'
>> Long-eared recording, which reduces the chance of night flight.  I
>> went through all the owl species on Stokes East Coast and still the
>> only thing that it sounded like was Long-eared owl.
>>
>> 1. Resident owls here are Eastern screech and Great Horned.  I've have
>> only rarely heard GHO from the location I record nfc (backporch of 14
>> yr old suburban subdivision).  Immature GHO doesn't ever do a single
>> "whoo" call does it?
>> 2. I checked ebird and September records of Long-eared owl are very
>> very sparse in the Mid-Atlantic, which reduces the chance of
>> Long-eared owl
>>
>> Any other species that I should check?
>>
>> Sincerely,
>> Andrew
>>
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[nfc-l] Long-eard owl or similar sounding species with nfc?

[Andrew Albright]

I recorded nfc from 2-5am this morning.   Diversity and quantity is pretty good.

At about 2:30am I had a single monotone "whoo" that reminded me of
Long-eared owl recordings (Stokes) except that it was slightly higher
pitched.  Then ~30 minutes later, I heard the same single "whoo" again
except that this was lower pitched and almost exactly matches Stokes'
Long-eared recording, which reduces the chance of night flight.  I
went through all the owl species on Stokes East Coast and still the
only thing that it sounded like was Long-eared owl.

1. Resident owls here are Eastern screech and Great Horned.  I've have
only rarely heard GHO from the location I record nfc (backporch of 14
yr old suburban subdivision).  Immature GHO doesn't ever do a single
"whoo" call does it?
2. I checked ebird and September records of Long-eared owl are very
very sparse in the Mid-Atlantic, which reduces the chance of
Long-eared owl

Any other species that I should check?

Sincerely,
Andrew

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Re: [nfc-l] Common August to Early September NFC

[Andrew Albright]

I'd add that it would be interesting if people want to post nfc's for
beginners to identify, to do so for 1-2 days without providing
identfication.  Then the beginner can try to figure it out and after
1-2 days the experienced nfc'er can indicate what the species is.

Also, is the list of birds in table 1
(http://birds.cornell.edu/pifcapemay/evans_rosenberg.htm) the commonly
agreed-upon list of distinguishable (from each other) night flight
calls? And is a distinction made between being able to do this by
ear versus needing to look at a spectrogram?

If we take thrushes for example, it seems that we've discussed the
possibility of some overlap between Gray Cheeked and Bicknells.  It
would be helpful for a beginner to know when to try to figure out a
call and when to categorize it as "not identifiable" or it could be
one of a few species.

Sincerely,
Andrew


On Tue, Sep 18, 2012 at 8:01 PM, Christopher T. Tessaglia-Hymes
 wrote:
> Good evening!
>
> On this slow evening in the Northeast, I am getting caught up on some night
> recording data from past nights. Members on the NFC-L eList community may be
> most interested in unusual or uncommon species, or perhaps after interesting
> trends of more commons species, or are simply here to soak up more knowledge
> of this new-found aspect of ornithology.
>
> I thought I'd take a moment to post a more common sound of night migration
> on good nights in August through early September. This Veery was recorded
> calling at 12:23pm, on 22 August 2012. I cleaned up some of the cricket
> chirps to make for a slightly cleaner recording. This was a surprisingly low
> flying and loud migrant for the time of night, perhaps due to a low cloud
> ceiling.
>
> I'll see what I can do about posting some more good examples of other known
> species; I encourage others to try and follow suit, because there are
> several beginning or out-of-your-region night flight call listeners on this
> eList.
>
> Thanks and good night listening!
>
> Sincerely,
> Chris T-H
>
> --
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Re: [nfc-l] Austin, Tx - Hourly count - Through May 7, 2012

[Andrew Albright]

Mike - I enjoy reading your reports, so keep 'em coming!

I'm no expert, but I think when I asked the question before it seems
that the general idea is that nfc are easier to detect in the first
couple of hours and then around dawn as birds will be flying at lower
elevations (and they can get so high that you can't detect nfc).  But
I don't know how much data supports this hypothesis and it's quite
possible that it's from East Cost migration which could be
significantly different from that seen in Texas.

I have one question - have you ever gone through an hour or a night of
your data to see/hear how well the automatic detection works?
Also, what % of nfc can you not assign to a certain species?

Sincerely,
Andrew

On Thu, May 10, 2012 at 4:15 PM, Mike Farmer  wrote:
> Since March 1, our Austin city station has recorded 4250 night calls.   The
> quieter station 10 miles to the west had 6372.   See the attached graph
> showing the number of calls per hour of the night.  This is for the quiet
> station.
>
> This chart seems rather too convenient.  I am suspicious of it.  What is
> known about this kind of timing?  The curve matches the inverse of the
> relative quiet of a typical night.   Life is just quieter in the middle of
> the night.   So can’t a lot of this be a detector and noise effect?   Or do
> the birds actually fly and call more in the middle of the night?
>
> Also this data doesn’t adjust for daylight savings shift in the third week
> of March or the fact that dusk shifts to later times as spring progresses.
> What we really want to plot is the hour after dusk not the actual time.  But
> has anyone here figured out a formula for the number of minutes each night
> that dusk shifts?  You can google this and get a bunch of graphs but there
> must be a formula . probably involving a bunch of cosines and other
> witchcraft?
>
> -Mike Farmer
>
>
> equipment
>
> Mic – Oldbird 21c
>
> Software – Oldbird tseep, thrush, GlassOFire, Raven Pro, Excel
>
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[nfc-l] May 3/4th - biggest East Coast migration night of the year?

[Andrew Albright]

When I checked the weather a few days ago, it looked like tomorrow (Friday)
night could be really big.  However, I just checked the radar and it looks
like the whole Eastern half of the US is on fire with migration.   I stuck
my head outside and heard a decent number of calls per minute (5-10). Plus
it's a full moon.

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Re: [nfc-l] Flood gates are opened in western NJ

[Andrew Albright]

The radar looks pretty hopping tonight too all up and down the east coast:
http://weather.rap.ucar.edu/radar/displayRad.php?icao=KUSA=n0r=black=20120417=-1=3

What hours did you record and when did you have most of your calls last
night?

I recorded about 5 hours last night and listened to about 2 hours
(10:30-12:30am) of that and had only ~20 calls.  So not nearly as many as
you but the diversity made it worth listening to:  some higher pitched
warbler/sparrow calls, some mid range calls and then two heron-like (Great
Blue and something else), and then an interesting shorebird repeating call.

It wasn't a nfc but last week I encountered interesting flight calls about
30 minutes before dawn.  I was running when I heard a Fish Crow flying over
a very surburban area, then another call and then I looked up.  I stopped
and counted 71 Fish Crows.  I just checked Ebird and the high county for
Montgomery County is only 35.

Andrew Albright


On Mon, Apr 16, 2012 at 5:20 PM, Rob Fergus  wrote:

>  Just processed my recording from last night and had about 170 Tseep
> calls.  After a couple weeks of north winds and 1-4 detections a night,
> things are hopping now!
>
> Rob Fergus
> Union Township, Hunterdon Co, NJ
> http://birdchaser.blogspot.com
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Re: [nfc-l] roll call!

[Andrew Albright]

I'm probably recording the same place I did last fall - Maple Glen, Pa
(about 10 miles NW of Philly).

I tried this a couple of springs ago and the robins drove me crazy but that
was at a different location.

In the mid-Atlantic, tonight might be pretty good?  It's been a while since
there wasn't a strong wind out of the north or northwest.

On Mon, Apr 2, 2012 at 11:54 PM, David La Puma wrote:

> Can we get an update on where people are recording this spring? Is anyone
> recording in Wisconsin or elsewhere in the Upper Midwest? We've had a
> number of nights of moderate to heavy migration over the last two weeks and
> I'd be interested to know how the night listening is going. I personally
> haven't been out at night and my mic is still in a disassembled state since
> moving out here at the end of December... I hope to get it up and running
> soon, but in the meantime... is there anybody OUT there?
>
> good listening!
>
> David
> 
>
> David A. La Puma
> Postdoctoral Associate
> Aeroecology Program
> Department of Entomology and Wildlife Ecology
> University of Delaware
>
> Visiting Scientist
> SILVIS Lab (http://silvis.forest.wisc.edu/)
> University of Wisconsin, Madison
>
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> http://www.woodcreeper.com/teaching
>
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>
>
>
>
>
>
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[nfc-l] First night flight of 2012?

[Andrew Albright]

I just got back from running (more than 3 hours after nightfall) and I
heard a Killdeer fly overhead!

I'm in southeastern PA and this is very rare bird in the winter for
this county.  Sodoes this count as a night flight?  What in the
world is this bird doing?

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[nfc-l] How late into the fall do New York/Mid-Atlantic nfc'ers record/listen?

[Andrew Albright]

I've still been recording 6-8 hours a night and then listening* about
1-2 hours every day.   It's down to about 3-6 calls per hour.  The
first part of November has been warm here, so that might have slowed
things down some.

How long into fall migration do people record/listen?  I don't suppose
anyone has any good graph showing the distribution of total calls per
min/hour spread out from August - November that's published?

Sincerely,
Andrew


*I record at night and then during the day at work, I listen to the
recordings I made.

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Re: [nfc-l] Night Flight - Battle Ground, WA

[Andrew Albright]

All,

Cool description!

Varied Thrush doesn't appear to be on the oldbird CD. Can someone post
a night flight call clip?

Sincerely,
Andrew


On Fri, Oct 7, 2011 at 11:26 AM, Jay Withgott  wrote:
>
> Gerard --
> Since Jim is undoubtedly enjoying a flood of migrants this morning after
> what has apparently been the heaviest migration night of the season, while
> I'm socked in with rain 25 miles south of him, I'll go ahead and respond
> Varied Thrushes give a flight call very much like the lovely iconic song
> that reverberates through the PNW rainforests -- that ethereal combination
> of a whistle and a vibratory hum.  However, the call in flight is generally
> a shorter and throatier version of that vocalization, more of a guttural
> "whzu" than a long thin "whheee".  This call is also heard on
> the ground.  I've heard this call from birds in flight at night, at dawn,
> and after daylight.  They seem to me to call more at dawn and after dawn
> than at night, but then that may simply be a function of when I'm most often
> listening.  Jim's more nocturnally active than I am, so I certainly trust
> his judgment on this.  Like Robins, Varied Thrushes continue their nocturnal
> migration for sometimes up to a few hours in the morning, so it is feasible
> to see them as they migrate over, occasionally calling.
> I've never heard their Hermit-Thrush-like "chuck" or "tuk" call note used in
> flight.
> Jim, any comments on the above?  I'm hoping that you've gotten a flood of
> birds over your yard last night and this morning and that the rain clears up
> a bit down my way so that I can partake, too.
> Jay Withgott
> Portland, Oregon
>
>
> At 8:43 AM -0400 10/7/11, SLIMBIRD Gerard wrote:
>
> Jim,
>
> >From an Eastern perspective, I'm curious (ok really interested!) to know
> the call Varied Thrush use at night, and/or how you're identifying them?
>
> I also add a hearty thanks to everyone sharing their experience of flight
> calls to the list, especially if/when supported with clips etc. It's always
> enlightening!
>
> Thanks,
>
> Gerard
>
> Eastern Ontario
>
>
> On 10/6/11 9:00 PM, "Jim Danzenbaker"  wrote:
>
> Nocturnal flight enthusiasts,
>
> I live in Battle Ground, Washington which is 20 miles due north of Portland,
> Oregon.  I've been listening for about 6 years - mostly Swainson's Thrushes
> which can number in the thousands on some nights in September.  I was
> listening from 5:45-7 this morning and had a good variety although not many
> individuals:
>
> Varied Thrush 21*
> Hermit Thrush 1
> Swainson's Thrush 3
> Zonotrichia 1
> Song Sparrow 1
> Yellow-rumped Warbler 1
> misc chips 8
>
> * this is only the third time I've heard nocturnal migrant Varied Thrushes
> and only single birds on the other two occasions.
>
> Conditions were overcast with calm winds which was a big change from the
> south winds and rainy conditions of the last several nights.
>
> Jim
>
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Re: [nfc-l] Flight calling tonight in northeast US

[Andrew Albright]

On Sat, Sep 17, 2011 at 7:32 PM, Michael O'Brien  wrote:
> Ted et al,
> In heavy flights, usually record an x for each species and indicate the
> number of calls/minute in the comment field (for each species, if possible).
> Anyone with better ideas?

I don't think you should use an "X" because you lose information.
Your estimate of birds heard is going to provide Ebird-level
information that is really not unlike birding "on the ground" during
the day either by ear or visually.

EBird guidance on "X".
http://ebird.org/content/ebird/news/trouble_with_X

Also, there shouldn't be a need to differentiate night flight counts
from day birding if you correctly enter time.

Sincerely,
Andrew


> Best,
> Michael
> Michael O'Brien
> Victor Emanuel Nature Tours
> www.ventbird.com
> On Sep 17, 2011, at 7:07 PM, Ted Floyd  wrote:
>
> Well! The most intriguing part of Benjamin's posting is surely the last line
> of the NFC-L sig file.
>
> How DO you submit nocturnal flight call observations to eBird?
>
> Best,
> Ted
>
>
>
> 
> From: bounce-38049280-9667...@list.cornell.edu
> [mailto:bounce-38049280-9667...@list.cornell.edu] On Behalf Of Benjamin Van
> Doren
> Sent: Thursday, September 15, 2011 9:15 PM
> To: nfc-l
> Subject: [nfc-l] Flight calling tonight in northeast US
>
> Hi all,
> Fairly good numbers of flight calls audible from SE NY as I type this
> (probably averaging a few per minute). Many Northern Parulas, some
> Chestnut-sided Warblers, American Redstart, poss. Tennessee, Veery,
> Swainson's Thrush, assorted "zeeps," etc., in several minutes of listening.
> Benjamin Van Doren
> White Plains, NY
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Re: [nfc-l] Flight calling tonight in northeast US

[Andrew Albright]

Ebird is seen or heard.

On 9/17/11, Ted Floyd  wrote:
> Well! The most intriguing part of Benjamin's posting is surely the last
> line of the NFC-L sig file.
>
> How DO you submit nocturnal flight call observations to eBird?
>
> Best,
> Ted
>
>
>
>
> 
>
> From: bounce-38049280-9667...@list.cornell.edu
> [mailto:bounce-38049280-9667...@list.cornell.edu] On Behalf Of Benjamin
> Van Doren
> Sent: Thursday, September 15, 2011 9:15 PM
> To: nfc-l
> Subject: [nfc-l] Flight calling tonight in northeast US
>
>
> Hi all,
>
> Fairly good numbers of flight calls audible from SE NY as I type this
> (probably averaging a few per minute). Many Northern Parulas, some
> Chestnut-sided Warblers, American Redstart, poss. Tennessee, Veery,
> Swainson's Thrush, assorted "zeeps," etc., in several minutes of
> listening.
>
> Benjamin Van Doren
> White Plains, NY
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[nfc-l] Moonwatching tonight

[Andrew Albright]

I believe that with the full moon and favorable* migration conditions
tonight might be a good night for moonwatching.

I just had limited success doing this.  I had one bird going southeast
(headed for Cape May) and was really high.  A few minutes later, I had
a second bird a little lower going on a different course - southwest.
I wasn't able to hear either of them.

The last two nights were overcast here.  I'm sure those that have done
this enough have had heavy flights where they could moonwatch - that
would be fun.

Sincerely,
Andrew Albright
Maple Glen, PA



*At least for the mid-Atlantic.

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Re:[nfc-l] First migration of the season possible tonight in the mid-atlantic?

[Andrew Albright]

My email didn't go through, so if anyone is willing to listen to the
10 sec sound file, I can email it to them.

Also, it should be here: http://soundcloud.com/user3781125/sept9-555am-thrushes#

And apologizes, but for some reason, Raven Lite and/or my old computer
only recorded the left channel.

On Fri, Sep 9, 2011 at 7:31 AM, Andrew Albright
 wrote:
> Attached is a sequence from this morning. I forget the size limit of
> files, but this is 918k, so hopefully it will go through.
>
> Here are my guesses
> 0.5 sec - Swainson's
> 3.8 sec - Swainson's
> 4.3 sec - Wood Thrush
> 5.9 sec - Rose Breasted Grosbeak
> 7.5 sec - Wood Thrush
> 8.7 sec - Swainson's
> 9.9 sec - Wood Thrush
>
>
>
> On Fri, Sep 9, 2011 at 12:43 AM, Andrew Albright
>  wrote:
>> Just checked again and there are huge numbers of thrushes but they are
>> fairly faint.  Still lots of insect noise.
>>
>> On 9/8/11, Andrew Albright  wrote:
>>> Well it seems like it's been since spring since there was any night
>>> flight.   The surface and lower level winds seem to be out of the
>>> northeast and amazingly all the rain seems to be gone.  Maybe birds
>>> are too water-logged to take off though?
>>>
>>> However, I just listened outside and heard nothing and there's no
>>> reliable radar to look at for this area (slightly northwest of
>>> Philly).
>>>
>>> Andrew Albright
>>> Maple Glen, PA
>>>
>>
>

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Re:[nfc-l] First migration of the season possible tonight in the mid-atlantic?

[Andrew Albright]

Just checked again and there are huge numbers of thrushes but they are
fairly faint.  Still lots of insect noise.

On 9/8/11, Andrew Albright  wrote:
> Well it seems like it's been since spring since there was any night
> flight.   The surface and lower level winds seem to be out of the
> northeast and amazingly all the rain seems to be gone.  Maybe birds
> are too water-logged to take off though?
>
> However, I just listened outside and heard nothing and there's no
> reliable radar to look at for this area (slightly northwest of
> Philly).
>
> Andrew Albright
> Maple Glen, PA
>

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[nfc-l] First migration of the season possible tonight in the mid-atlantic?

[Andrew Albright]

Well it seems like it's been since spring since there was any night
flight.   The surface and lower level winds seem to be out of the
northeast and amazingly all the rain seems to be gone.  Maybe birds
are too water-logged to take off though?

However, I just listened outside and heard nothing and there's no
reliable radar to look at for this area (slightly northwest of
Philly).

Andrew Albright
Maple Glen, PA

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Re: [nfc-l] Nocturnal Calls This morning

[Andrew Albright]

After I posted my question to this list, I recorded last Sunday night
for about 10 minutes before a strong line of win and thunderstorms hit
(it was very calm right before the rain/wind hit).  I probably heard
~20-30 total birds (good for here), one of which sounded like a larger
bird that came in low, circled and was looking for a place to land.

I'm still going through what I have now and comparing it to 'Flight
Calls of Migratory Birds' by Evans and O'Brien.  I heard recorded two
nfc calls, which lead me to a couple of questions:

1) Is there any reason why shorebirds aren't included?  (I just
listened to Stokes shorebirds as that was my first guess)
2) My best guess is Semipalmated and Least Sandpiper.  Would these be
reasonable guesses based on location and time?  If anyone likes to
listen to poor WMA files and wants an ID challenge, I can email you
what I have.

Sincerely,
Andrew Albright
Southeast PA

On Mon, May 16, 2011 at 8:53 AM, david nicosia  wrote:
> Woke up at 4 am this morning and was not that tired
> so decided to sit out on my deck and see what kind of
> migration was taking place. I checked the radar and there
> was fairly heavy migration south of my location with
> much less farther north. Cloud ceilings were very low
> as occasional fog clipped the top of the trees on
> the hill where I live. Winds were from the north as
> we were north of a frontal system. Migrants were
> likely descending as they ran into lower cloud ceilings
> and north winds? Anyway, the calls were  low and
> quite loud but the numbers were not that impressive
> at least compared to fall.
>
> I had the following in 40 minutes of listening:
>
> 4 veeries, 4 swainson's thrushes, 3 wood thrushes,
> 1 bobolink, 2 solitary sandpipers and 19 unidentified
> zeeps, chips and zitswarblers/sparrows?? That is
> a total of  33 calls in 40 minutes...almost 1 per minute.
>
> Dave Nicosia
> Johnson City, NY
>
>
>
>
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[nfc-l] Good migration conditions tonight?

[Andrew Albright]

Here outside of Philly (NW) the clouds have disappeared and there is
actually a full moon and winds out of the south.

Should there still be good possibilities for nfc's tonight or are we
getting too late in the migration season?

Sincerely,
Andrew Albright
Maple Glen, PA

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Re: [nfc-l] odd NEXRAD pattern

[Andrew Albright]

" I can theorize how it might happen,"

I would be interested to hear the theories.  Does it have anything to
do with this area being the Rainwater Basin area?  It would be late
for sandhill cranes.Are the ducks all gone?How about
shorebirds? I could be wrong, but compared to back east these areas
aren't heavily birded and where they are birded 1,000+ shorebirds can
be reported in areas: http://birdingonthe.net/mailinglists/NEBD.html.

But if this is the case, then searching historical records from the
same time period should reveal similar findings?


On Mon, May 2, 2011 at 4:55 PM, Bill Evans  wrote:
> Thanks David, I misunderstood and thought you were talking about bird
> movment just after sunset previously.
>
> Nevertheless, I don't recall seeing such an isolated area of broad-scale
> movement before. I can theorize how it might happen, I've just never noticed
> it.
>
> Bill
>
>
>
> - Original Message -
> From: David La Puma
> To: Bill Evans
> Cc: NFC-L@cornell.edu
> Sent: Monday, May 02, 2011 4:45 PM
> Subject: Re: [nfc-l] odd NEXRAD pattern
> Bill
>
> That was my point. Clear air isn't an issue. I think the combined
> reflectivity and velocity suggest bird migration. You ask "what was going
> on" and my response to that was that the wind conditions were such that
> migration-ready birds did exactly what you'd expect in the absence of strong
> opposing winds and precipitation... they migrated. The winds elsewhere
> around KUEX were stronger and northerly.
>
> cheers
>
> D
>
> On Mon, May 2, 2011 at 4:28 PM, Bill Evans 
> wrote:
>>
>> Chris, David,
>>
>> Thanks for your responses -- but the fact that KUEX was in clear air mode
>> doesn't solve the mystery for me. Many other midwestern NEXRAD stations were
>> in clear air mode at 11PM last night. If the reflectivity shown was due to
>> the clear air setting then one would expect other stations in the region
>> operating in clear air mode would have shown similar activity. For me this
>> appears like an unusually localized broad-scale region of biotargets in the
>> atmosphere -- the NEXRAD stations at North Platte and Valley, NE appear to
>> be on the periphery, showing less, of whatever activity this was.
>>
>> Bill E
>>
>>
>>
>>
>> - Original Message -
>>
>> From: David La Puma
>> To: Bill Evans
>> Cc: NFC-L@cornell.edu
>> Sent: Monday, May 02, 2011 3:25 PM
>> Subject: Re: [nfc-l] odd NEXRAD pattern
>> After reviewing the archive it looks like the KUEX radar was set on
>> clear-air mode
>> (here's the inventory color coded by mode:
>> http://www.ncdc.noaa.gov/nexradinv/displaygraphs.jsp?=2011=05=01=KUEX=AAL2)
>> but I don't think that explains the burst of activity after sunset. Based
>> on the velocity (20+ kts) and the direction of travel (SE->NW), those are
>> most likely birds. I can't pull an archived radiosonde map for the area at
>> 8pm last night, but I suspect (based on the more current radiosonde data)
>> that the winds between the surface and ~2-3k feet were light enough to allow
>> migration to occur... so I think this is just a case of locally good
>> migration conditions during the period when the highest densities of
>> migrants are likely to fly.
>>
>> If the meteorologists want to chime in with some archived wind data, that
>> would be cool too!
>>
>> Also, Jeff Buler at U Delaware (also doing some really cool radar
>> ornithology work) pointed me to this very cool website: http://soar.ou.edu/
>> where you  can view the unfiltered NEXRAD data back to 2008 (they are
>> working backwards from 2011 to fill in the missing years). Just make sure
>> you're viewing the non-QC'd mosaic to include biological targets.
>>
>>
>> Cheers
>>
>> David
>>
>> On Mon, May 2, 2011 at 1:17 PM, Bill Evans 
>> wrote:
>>>
>>> Interesting NEXRAD image from last: substantial migration to the east of
>>> a front in the eastern US, nothing unusual about that, but strange is one
>>> isolated radar lighting up in south-central Nebraska.  -Bill E
>>>
>>>
>>> http://www.rap.ucar.edu/weather/radar/displayRad.php?icao=KUSA=bref1=black=20110502=4=0
>>>
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[nfc-l] Opinions on tonight's radar loops for southeast PA?

[Andrew Albright]

To radar watchers out there, does anyone care to comment on the reflectivity
radar loops tonight for the area 10-20 miles northwest of Philadelphia?

1. On the ground, I've heard and recorded a lot of longer "tseeps"
(20-50 for some minutes) - which is more than I've ever heard around
here.  I'd have to guess most sound sparrowish (white-throated and plus some
short ones) - so nothing surprising given the time of year.

2. There's not much wind but what there is out of a southerly direction (it
feels like Florida right now here) so not what I would think would be
favorable for a heavy migration.
Although if you look at the surface streamlines, it looks like we are on the
edge of a change in wind direction/speed:
http://homes.comet.ucar.edu/~guarente/birdweather/stream.htm
The upper level wind direction is definitely out of the southwest.

3. There's rain in the area and I see a lot of green on the radar* (not
blue) - so I'm having a hard time.

Sincerely,
Andrew Albright

*Using http://www.rap.ucar.edu/weather/radar/

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Re: [nfc-l] Good Nocturnal Flight Upstate NY 9/11/10

[Andrew Albright]

I didn't end up with many recorded nfc's in the 2 hours before dawn on
Saturday the 11th, although there were decent numbers of migrants seen after
daylight.

Here's a cutdown of anything I could detect by ear:
http://soundcloud.com/user3781125/ws501330-cutdown
I think I hear (and see) a Veery, Swainsons and maybe the buzzy dzzt of a
Swamp Sparrow.

Also, I still have the
following problem: I know I posted this before, but I'm losing volume with
my workflow...any pointers would be appreciated:
1) I record in .mp3
2) Open full file in Audacity
3) Save file as .wav using Audacity
4) Look at sonagrams with Raven Lite

However, for weak calls when I play the .wav file, I can see the sonagrams,
but can't hear anything anymore.   Clear calls are still clear though.

Sincerely,
Andrew



On Sat, Sep 11, 2010 at 12:01 PM, david nicosia  wrote:

> Got up before sunrise and from my deck
> I counted the following nocturnal migrants
> between 515 am and 600 am...
>
> 265 SWAINSON'S THRUSH
> 83 VEERY
> 9 WOOD THRUSH
> 6 GRAY-CHEEKED THRUSH
> 1 SOLITARY SANDPIPER
>
> many other chips, zeeps, dzrts etc that I could
> not id. I thought I heard a DICKCISSEL but
> was not sure enough to count it.
>
> Dave Nicosia
> Johnson City, NY
>
>
>

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Re:[nfc-l] Willow Flycatcher, Cuckoo, or similar nfc's in Delaware

[Andrew Albright]

http://soundcloud.com/user3781125/4apr10-lewes

The first one is the one that I thought sounded Willow Flycatcher=ish.

Also, not sure about the second one - kind of sounds like a Cuckoo -
but that would also be pretty early.

Any better ID's?

Sincerely,
Andrew

On Tue, Apr 6, 2010 at 1:03 AM, Andrew Albright
 wrote:
> Saturday night, I recorded something that sounded like a "fast" Willow
> Flycatcher's "fitzspew" call.  In addition to not sounding exactly
> like it, it is a little early for Willow in Southern Delaware.
> Location - southern Delaware ~2am.
>
> However, I checked Evans/Obrien's guide and they give something
> different for Willow for NFC.
>
> 1. Anyone ever record Willow?
> 2. What are the closest other choices for me to check?
>
> Sincerely,
> Andrew
>

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[nfc-l] Willow Flycatcher or similar nfc?

[Andrew Albright]

Saturday night, I recorded something that sounded like a "fast" Willow
Flycatcher's "fitzspew" call.  In addition to not sounding exactly
like it, it is a little early for Willow in Southern Delaware.
Location - southern Delaware ~2am.

However, I checked Evans/Obrien's guide and they give something
different for Willow for NFC.

1. Anyone ever record Willow?
2. What are the closest other choices for me to check?

Sincerely,
Andrew

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Re: Fw: [nfc-l] Big Migratory Push Next Week Eastern U.S??

[Andrew Albright]

Bryan, Thanks for that easy-to-read website.  It is pretty simple afterall.

Anyone record last night?  I was all excited for spring recording
minus all the insects like I hear in the fall.  However, I didn't
fully realize how early the American Robins start up.  I'm estimating
that it was about 3:30am and if I'm reading David's woodcreeper site
correctly, migration in my area was heaviest from 3 until dawn.

I listened pre-midnight and even moonwatched (only a few days past
full moon) and saw and heard nothing.  And listening for about 30
minutes of last night's tape, only some Canada Geese.

Sincerely,
Andrew

On Thu, Apr 1, 2010 at 9:46 PM, Bryan Guarente  wrote:
> Andrew and others,
> Reading the wind barbs/"thingies" is a simple process.  Here is a website
> that makes it easy to understand the surface observations like David (either
> one) posted.
>
> http://ww2010.atmos.uiuc.edu/%28Gh%29/guides/maps/sfcobs/home.rxml
> or
> http://tinyurl.com/yk25236
> (same site just tiny).
>
> Bryan Guarente
> Meteorologist/Instructional Designer
> The COMET Program
> University Corporation for Atmospheric Research (UCAR)
> Boulder, CO
>
>

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Re: Fw: [nfc-l] Big Migratory Push Next Week Eastern U.S??

[Andrew Albright]

So for the Northeast or at least Mid-Atlantic, I guess this is it
(finally)...tonights the night?  I plan on recording the next 3
nights.

One question - is there a user friendly website showing wind speeds at
the altitudes at which birds migrate?  Either that or is there an
explanation for the weather vane thingees on the maps that David
posted?

On Sun, Mar 28, 2010 at 9:04 PM, david nicosia  wrote:
> David,
>
> It is a transient pattern but anomalously warm. Attached is a 20 model
> ensemble mean forecast
> of air temperature projection for next Saturday at 925 mb (1-2 thousand feet
> AGL).
> It shows temperatures reaching 16C (60F) which translates to 70s and lower
> 80s on the surface.
> This is between 2 and 3 standard deviations above climatology for this time
> of year.
> Record high temperatures are possible in upstate NY and parts of the
> northeast and
> New England. I expect it to last from Thursday to Saturday, possibly into
> Sunday. The Gulf
> will have prolonged  southerly winds beginning Wednesday and lasting into
> the weekend at
> 925 mb according to our multimodel ensemble runs.  See attached image from
> the height of
> this flow.
>
> It will be interested to check bird list servers across the southern states
> into
> the middle Atlantic to see what kind of species begin arriving later this
> week. Normally I stick to
> forecasting the weather but it is fun to attempt to predict bird species
> migration
> based on their migratory timetables and weather patterns.
>
> Anyway, it should become very interesting for those who monitor night calls.
>
> Good birding to all!
>
> Dave Nicosia
> Johnson City, NY
> 
> From: David La Puma 
> To: david nicosia 
> Sent: Sun, March 28, 2010 8:07:24 PM
> Subject: Re: [nfc-l] Big Migratory Push Next Week Eastern U.S??
>
> David
>
> Cool stuff! So could you elaborate on the uniqueness of this weather pattern
> for this time of year? I think any consistent favorable migration conditions
> could influence the movement of certain species, but not all of them.
> Neotropical migrants (or long-distance migrants) are more likely
> evolutionarily hard-wired to leave around fixed dates, because of the
> uncertainty associated with early departure regardless of meteorological
> opportunity. Short-distance migrants, on the other hand, may just jump on
> the train if given the opportunity. It's possible, though, that the point is
> moot, as we are getting to the time when Neotrops make the leap more and
> more frequently. I'd be interested (as I already mentioned) in whether this
> pattern is truly unique, or falls within the regular range of variation.
> Either way, it's great to have a meteorologist thinking about these things
> as well!
>
> Hope to see more of you on the list.
>
> Cheers,
>
> David
> 
>
> David A. La Puma, Ph.D.
> Postdoctoral Associate – Ecology, behavior and conservation of migratory
> birds
> New Jersey Audubon Society
> 600 Route 47 North
> Cape May Court House, NJ 08210
> Office: 609.861.1608 x33
> Fax:    609.861.1651
>
> Websites:
> http://www.woodcreeper.com
> http://badbirdz2.wordpress.com
>
> Photos:
> http://www.flickr.com/photos/woodcreeper
>
>
>
>
>
>
> On Fri, Mar 26, 2010 at 5:43 PM, david nicosia  wrote:
>>
>> All,
>>
>> Being a meteorologist, I can't help myself here, but
>> the potential exists for an early "heat" wave in the eastern 1/2 of
>> U.S beginning Wednesday and lasting into next weekend(April 3-4).
>>
>> A very large and anomalous high pressure system is projected
>> to set up off the southeast U.S coast by Wednesday/Thursday next week
>> and bring strong southerly winds across the Gulf into the Plains/Midwest
>> Wednesday/Thursday and to the northeast/Middle Atlantic Friday
>> to Saturday. This is a classic "Bermuda" High pressure set-up.
>>
>> Very unusual warmth is expected if these projections hold true. I could
>> see widespread 70s and 80s all the way north to the Great Lakes and
>> possibly even to New England.
>>
>> This would certainly mean a major early migratory push with many species
>> arriving very early relative to median arrival dates. The first
>> major influx of neo-tropical migrants would be seen into the southern
>> and even central U.S.
>>
>> check out the following website for 925 mb(few thousand feet AGL)
>> wind projections for late next week
>>
>> http://www.rap.ucar.edu/weather/model/gfs180hr_925_wnd.gif
>>
>> or a loop.
>>
>>
>> http://www.rap.ucar.edu/weather/model/displayMod.php?var=gfs_925_wnd=1
>>
>> Dave Nicosia
>> Johnson City, NY
>>
>>
>>
>>
>>
>>
>
>
>
>

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[nfc-l] Big NF tonight in Mid-Atlantic (US)?

[Andrew Albright]

Is this too early for a big NF in the mid-atlantic region?

Are these the main factors?
1) Date during migration season (higher numbers during peak)
2) What has happened during previous nights - i.e. if the wind was
blowing strongly in the wrong direction or
3) Wind speed and direction

It should have been backed up recently with all the rain and northern
winds.  Wind is out of the WSW tonight. But, is it still to early for
a big spring NFC?

Andrew Albright
Lafayette Hill, PA

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[nfc-l] Mystery Sonagram Quiz and Spring Migration questions/musings

[Andrew Albright]

1. It's not a nfc, but everyone who guessed at my quiz, said I should
post here: http://trash-birder.blogspot.com/2010/03/mystery-sonogram-1.html.
Cliff notes: Try and guess the bird from the sonogram first and if you
can't do that, guess from the sound file linked below it.

2. Spring migration on the east coast.   Is there less interest in
spring nfc than fall nfc on the east coast?   It seems that there are
probably fewer birds; however, the night air in March and April should
be much "cleaner" without all the insect noise.  Are there any other
interesting differences between spring and fall nfc?

3. When do the sparrows start migrating in the spring?  With the
winter that we've had, it's hard to tell if the birds from Jan and
early Feb died, decided to move further south, or have already
departed to the north.

Andrew Albright
Lafayette Hill, PA

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[nfc-l] Savannah Sparrows!!!

[Andrew Albright]

This is rather ironic.   After asking for Savannah files and never
hearing more than one or two at a time, this morning the only sparrow
in large numbers ended up being a 30+ flock of Savannah Sparrows.  Now
I have tons of visually confirmed Savannah flight calls.
(Completely gone over the last week were the huge numbers of Song and
Swamp.)

I also recorded FOY Meadowlark (3) and am trying to figure out what
was rooting around in the 6ft grasses right next to me.  (Best guess
is a pig or a pheasant...short grunting noises.)

Lastly, right at dawn, I recorded a loose flock of smaller birds (I
believe smaller than Blackbirds/Starlings).  I can't match the flight
calls to anything and tried to attach the file but my message got
bounced back.

The calls are at 6-8 kHZ, somewhat burry, often double notes.

Sincerely,
Andrew Albright


On Wed, Nov 4, 2009 at 10:33 PM, Andrew Albright
 wrote:
> Thank you everyone for your help with the filesgives me plenty to
> compare my recordings to.
>
> Sincerely,
> Andrew
>
>
> On Wed, Nov 4, 2009 at 6:59 AM, Andrew Farnsworth
>  wrote:
>> Good morning all,
>> Andrew, quick note: Conservation Science Program at the Lab of Ornithology
>> has numerous recordings of Savannah Sparrow flight calls from past years
>> (and probably last night as well, given the composition of recent
>> movements), as does, I suspect, Powdermill Avian Research Center and a suite
>> of other people.  We're looking into some ways to make these available. . .
>>
>> BUT. . .in the interim, you should be able to find Savannah Sparrow flight
>> call .WAV files for playback/review on the Evans and O'Brien (2002) CD-ROM.
>> I believe that they are 12 or 13 files in the SPARROWS/SAVS folder with the
>> identifier SAVS or IPSP
>>
>> Best,
>> Andrew

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[nfc-l] Savannah Sparrow calls?

[Andrew Albright]

Does anyone have recordings of Savannah Sparrows that they'd like to share?

I have a couple of recordings of what I think are Savannah, but the
Evans/O'Brien CD doesn't have recordings - only the sonagrams.

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Re: [nfc-l] Sonagram ID question

[Andrew Albright]

Thank you Chris for posting the cut-down.

Does anyone like Wood Duck? There are ducks in the area flying
around pre-dawn and this morning they sounded similar.  I listened to
Stokes' and there is a single call that sounds similar (i can't seem
to load it though to analyze the sonagram).  The ML's wood duck
collection shows a wide variety of frequency and types of calls for
Wood Duck.

p.s. Black-bellied Plover was selected which is a good match for
quality and sonagram. Stokes' recording is a bit higher frequency than
my recording.  Does frequency change with distance or echo?   ML
doesn't have much audio for Black-bellied Plover, but what is does
have is a fairly similar.





On Tue, Oct 20, 2009 at 12:07 PM, Chris Tessaglia-Hymes
 wrote:
> Here is Andrew's cleaned-up sound in question.
>
> Sincerely,
> Chris T-H
>
> Andrew Albright wrote:
>
> >From pre-dawn, so I don't necessarily know it is a flight call.
>
> I've gone all the way through Stokes and Lang CD's and I can't find
> any matches and it doesn't ring any bells beyond Sora (which it
> doesn't match).  A couple of shorebirds started to vaguely sound
> similar, but not close.
>
> I can send an mp3 (~2 MB) to anyone that wants to listen.
>
> Sincerely,
> Andrew
>
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> 
>
>
> --
> Chris Tessaglia-Hymes
> Listowner, NFC-L
> Ithaca, New York
> c...@cornell.edu
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Re: [nfc-l] tonight calls low altitude at Jersey Shore

[Andrew Albright]

This was easily my best day this fall in southeastern PA too (see
below).    Over half of what I heard matched Swainson's Thrush.  I
just got a brand new copy of Evan's and O'Brien's guide so it will be
fun to try and ID more.


Subject: 100+ Swainson's Thrush and FOS White-throated Sparrow in
Wissahickon Watershed
From: Andrew Albright 

Recorded and heard 100+ Swainson's Thrush this morning from 5:30-6:10am in
Montgomery Co. Heaviest night or pre-dawn flight that I've heard this season by
a factor of 10.

Same held true for my pre-dawn chorus route in Andorra (Philadelphia). There
were many many more birds here too including a singing White-throated Sparrow
(first of the fall for me).

There were plenty of chips and calls I can't readily ID, but I did isolate an
interesting one if anyone is interested in helping. I could send a ~1 meg file.

Andrew Albright
Lafayette Hill, PA

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Re: [nfc-l] Call ID help. 2hrs before dawn sounds like American Goldfinch or Black Rail ?!?

[Andrew Albright]

Thank you everyone for your help, it does appear that this matches
closest to Greater Yellowlegs (on Stokes).   The sonograms are pretty
close to Stokes' Greater Yellowlegs too.

I just noticed that I am losing strength of nfc's with my current workflow.

My recorder records WMA files (this is Microsoft I think)but it is
an Olympus recorder.
Then I convert the file into WAV.   (This doesn't cause a loss of
quality, but the file gets 6-7x larger).

Then to use Raven Lite, I have to make the file <1 minute long.

So I cut and paste the recording of interest into another Audacity
file of less than 1 minute in length.  I export it as WAV.

Then when I open the WAV in Raven Lite it appears to lose strength of nfc's.

This is a problem since Raven Lite is really nice for viewing sonograms.

Any suggestions on a better workflow?  It's really pretty fun to have
a nice minute section with 5-10 calls to try and figure out.

Sincerely,
Andrew

On Tue, Sep 15, 2009 at 11:37 AM, Chris Tessaglia-Hymes
 wrote:
> Hi Andrew and others,
>
> I listened to your sound clip just now. I concur with others that this is a
> Greater Yellowlegs calling.
>
> What makes it very difficult to absorb and separate out the call of interest
> from the background noise is the duration of the recording. Ideally, a
> buffer of at least 1 or 2 seconds preceding and following the target sound
> of interest will allow a person's brain to better extract the call from the
> noise. Also, although I use Raven Pro (1.4 beta), I think that Raven Lite
> should also allow for viewing of *.aif and *.mp3 sounds. The size of a file
> that can be opened in Raven Lite is limited, though. But, for a tiny clip,
> Raven Lite should work for you. Raven Lite is a free product
> (http://www.birds.cornell.edu/brp/raven/RavenOverview.html) which is
> stripped of all the bells and whistles in Raven Pro.
>
> I used Raven Pro to copy some of the noise and paste it in front of and
> after the call in order to make the call a little easier to hear. I also
> deleted the white noise following the end of the clip. You've got to turn
> your volume most of the way up. Anyway, it is the typical three-noted
> "deer-deer-deer" of Greater Yellowlegs. Lesser Yellowlegs is usually single
> or double "deers". I don't know that I've ever noticed Lesser giving more
> than two "deers" in a row. Also, to my ears, the quality for Lesser
> Yellowlegs is a little different, not as full as Greater Yellowlegs and is
> sharper.
>
> For those interested, I've attached the modified sound file in the hope that
> it is easier for people to hear the call.
>
> Sincerely,
> Chris T-H
>
> Andrew Albright wrote:
>
>  Recorded Sunday am at 4:30am about 3-4 miles from Delaware Seashore.
> 2 miles from definite Clapper Rail habitat, Black Rail possible but
> very very rare in southern Delaware.
>
>  I have a very basic setup (no amplification) with a parabola pointed
> straight up in the air.
>
>   It really sounds exactly like a cross between an American Goldfinch
> and a Black Rail to me, which is obviously an awfully odd combination.
> I listened to all the shorebirds and yellowlegs also seems remotely
> possible.  I have no idea if any of those species mentioned give
> nocturnal night calls.
>
>  Any help would be appreciated and apologies, it isn't really a great
> recording.
>
>   Sincerely,
>  Andrew Albright
>
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> Ithaca, New York
> c...@cornell.edu
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[nfc-l] Beginning night flight call analysis

[Andrew Albright]

I was wondering if there are any distribution lists of common birds
for the Mid-Atlantic area?

I have a nice section of recordings from about 2 weeks ago.  I've
written down what the calls sound like and started looking at the
sonograms.  The sonograms aren't the best but some are definitely
readable.

So I'd really like to start with some easy ones pretty much the
equivalent of going birding for the first time and only worrying about
ID'ing American Robins, chickadees, Mourning Doves, Northern
Cardinals, etc.

Sincerely,
Andrew Albright

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