[nfc-l] Species comp variation

[Jeff Wells]

This is another graph from Mike's honors thesis showing difference in thrush 
calls detected at three close recording stations on an October night here in 
Maine.

Jeff Wells



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Re: [nfc-l] more on nightly flight call timing variation

[Meena Madhav Haribal]

Hi Jeff Wells, Jeff Bouler and John Kearny,

Thank you for sharing your data and publications!

Of course we are scratching the surface while recording. John for example you 
lumped all warblers into one group. But according to small data points I have 
(just started last year in early September and this year in late August) the 
species composition of warblers vary a lot at night.  Then it depends on 
geographical locations. Lewes is very different form Ithaca, New York. Plus so 
many other factors are involved. I have been recording only 1/10 of what Bill 
Evans has been recording at Danby station at 1500 ft 
http://www.oldbird.org/Data/2016/Danby/Danby.htm .  Not exactly, now that I 
looked at the recent data, 1/10 that was on August 30. Today I recorded 150 
calls while Danby station recorded only 473 calls.  So, so much variation is 
there with in a few (5) miles. But it is worth pursuing. I wish we could have a 
transact of several close recorders and  see how they do. We should recruit 
other birders to start recording!


Now that I am excited about it, unfortunately I will be out of town most 
migration peak period [☹]


Cheers

Meena


Meena Haribal
Ithaca NY 14850
42.429007,-76.47111
http://www.haribal.org/
http://meenaharibal.blogspot.com/
Ithaca area moths: https://plus.google.com/118047473426099383469/posts
Dragonfly book sample pages: http://www.haribal.org/dragonflies/samplebook.pdf




From: bounce-120757079-10061...@list.cornell.edu 
 on behalf of Jeff Buler 

Sent: Tuesday, September 6, 2016 3:12:29 PM
To: Caitlin Coberly; 'Jeff Wells'; NFC-L
Subject: Re: [nfc-l] more on nightly flight call timing variation


Hello all,

One of my students, Kyle Horton, collected acoustic data of migrants in Lewes, 
Delaware and compared it to radar and thermal imaging data of traffic rates. We 
found moderate correlations across nights during the later part of the night 
when calling rates peaked at our site. See the attached article for more 
details.

Best,

Jeff

On 9/6/2016 2:21 PM, Caitlin Coberly wrote:

Be lovely to see that correlated with weather patterns, or across geographic
scales.  Be fun, of course, to correlate with the radar imagery as well.





-Original Message-
From: 
bounce-120756676-10103...@list.cornell.edu
[mailto:bounce-120756676-10103...@list.cornell.edu] On Behalf Of Jeff Wells
Sent: Tuesday, September 06, 2016 10:55 AM
To: nfc-l@cornell.edu
Subject: [nfc-l] more on nightly flight call timing variation

Another undergraduate at the time from Bates College named Mike Watson did
some work for his honors thesis using data from three of my recording units
run simultaneously here in Maine all within a few miles of each other.

Attached is one figure showing the nightly variation over three October
nights.

Jeff Wells


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--

Jeffrey Buler, Ph.D.

Assistant Professor of Wildlife Ecology

Aeroecology Lab

Department of Entomology and Wildlife Ecology

University of Delaware

246 Townsend Hall

Newark, DE, USA 19716

Office: 302-831-1306

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Please submit your observation

Re: [nfc-l] more on nightly flight call timing variation

[Jeff Buler]

Hello all,

One of my students, Kyle Horton, collected acoustic data of migrants in 
Lewes, Delaware and compared it to radar and thermal imaging data of 
traffic rates. We found moderate correlations across nights during the 
later part of the night when calling rates peaked at our site. See the 
attached article for more details.

Best,

Jeff


On 9/6/2016 2:21 PM, Caitlin Coberly wrote:
> Be lovely to see that correlated with weather patterns, or across geographic
> scales.  Be fun, of course, to correlate with the radar imagery as well.
>
>
>
>
>
> -Original Message-
> From: bounce-120756676-10103...@list.cornell.edu
> [mailto:bounce-120756676-10103...@list.cornell.edu] On Behalf Of Jeff Wells
> Sent: Tuesday, September 06, 2016 10:55 AM
> To: nfc-l@cornell.edu
> Subject: [nfc-l] more on nightly flight call timing variation
>
> Another undergraduate at the time from Bates College named Mike Watson did
> some work for his honors thesis using data from three of my recording units
> run simultaneously here in Maine all within a few miles of each other.
>
> Attached is one figure showing the nightly variation over three October
> nights.
>
> Jeff Wells
>
>
> --
>
> NFC-L List Info:
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>
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> 2) http://www.surfbirds.com/birdingmail/Group/NFC-L
> 3) http://birdingonthe.net/mailinglists/NFCL.html
>
> Please submit your observations to eBird:
> http://ebird.org/content/ebird/
>
> --
>
>
>
> --
>
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> --

-- 

Jeffrey Buler, Ph.D.

Assistant Professor of Wildlife Ecology

Aeroecology Lab 

Department of Entomology and Wildlife Ecology 

University of Delaware

246 Townsend Hall

Newark, DE, USA 19716

Office: 302-831-1306


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horton.et.al.2015.eco.apps.pdf
Description: Adobe PDF document

Re: [nfc-l] Intersting pattern in data recording

[Jim Danzenbaker]

Hi John,

That's great information.

I don't hear many nocturnal non-thrush calls compared to you listeners in
the East but the ones I do hear are usually in the first several hours
after dusk up to about 2 am ish.

Meena brought up an interesting point regarding the possibility that call
spikes at different locations could be based on from where and how long the
birds have been flying.  I hadn't considered that.  Of course, altitude of
the listening location would be a key feature to bring into the analysis as
somebody else had stated.

Jim
Battle Ground, WA

On Tue, Sep 6, 2016 at 11:53 AM, John Kearney 
wrote:

> Hi All,
>
> I believe some of the variability can be accounted for by the species or
> family composition of the flight calls you are recording. Below is a graph
> of the distribution of flight calls by family for last autumn at an inland,
> forested site in Nova Scotia.
>
> Interesting thread!
>
> John
>
>
>
>
>
>
>
>
>
> *From:* bounce-120756517-28417...@list.cornell.edu [mailto:
> bounce-120756517-28417...@list.cornell.edu] *On Behalf Of *Meena Madhav
> Haribal
> *Sent:* September-06-16 14:17
> *To:* Jeff Wells ; Jim Danzenbaker <
> jdanzenba...@gmail.com>; Jerald 
> *Cc:* Caitlin Coberly ; NFC-L <
> nf...@list.cornell.edu>
>
> *Subject:* Re: [nfc-l] Intersting pattern in data recording
>
>
>
> Hi Jeff and all,
>
> Thanks for your feed back.  It is getting more interesting!  I just looked
> at the data of Sep 21 2015 when I recorded over thousand calls.  As Jeff
> mentioned it peaked around 2 am.
>
> As for Swainsons Thrushes, I have been recording very few calls or no
> calls at all, when some other people in my locality have been reporting
> lots of them. Just as crow flies a mile down stream from me from
> Schoellkopf's  stadium someone recorded several of them the other night.
> So it seems it is very interesting.
>
>
>
> I will look at my data from last year's sometimes soon.
>
>
>
> So what makes them to peak at different times on different days?  Does it
> denote from where and how long they have been making their journey?
>
>
>
> BTW, Jeff I still have your bug book. If send me your mailing address I
> will mail it to you.
>
>
>
> Cheers
>
> Meena
>
>
>
> Meena Haribal
>
> Ithaca NY 14850
>
> 42.429007,-76.47111
>
> http://www.haribal.org/
>
> http://meenaharibal.blogspot.com/
>
> Ithaca area moths: https://plus.google.com/118047473426099383469/posts
>
> Dragonfly book sample pages: http://www.haribal.org/
> dragonflies/samplebook.pdf
>
>
>
>
>
>
>
>
> --
>
> *From:* Jeff Wells 
> *Sent:* Tuesday, September 6, 2016 1:01 PM
> *To:* Jim Danzenbaker; Jerald
> *Cc:* Caitlin Coberly; Meena Madhav Haribal; NFC-L
> *Subject:* RE: [nfc-l] Intersting pattern in data recording
>
>
>
> A few years ago, a then undergraduate at Colby College here in Maine named
> Andy McEvoy used two of my nocturnal flight call datasets in his Senior
> Honors Thesis. The locations were from Deline, Northwest Territories from
> Fall 2006 and from Lesser Slave Lake Bird Observatory, Alberta from Fall
> 2007.
>
>
>
> Attached is an image from Andy’s thesis  showing graphs of how many times
> in each season a particular hour after sunset recorded the peak number of
> calls. It was not the same every night.
>
>
>
> Jeff Wells
>
>
>
> *From:* bounce-120756138-12790...@list.cornell.edu [
> mailto:bounce-120756138-12790...@list.cornell.edu
> ] *On Behalf Of *Jim
> Danzenbaker
> *Sent:* Tuesday, September 06, 2016 12:16 PM
> *To:* Jerald
> *Cc:* Caitlin Coberly; Meena Madhav Haribal; NFC-L
> *Subject:* Re: [nfc-l] Intersting pattern in data recording
>
>
>
> All,
>
>
>
> Out here in southwestern Washington State, I have a steady flow of very
> vocal Swainson's Thrushes flying over every night.  Like others on this
> list serve, I've noted that the number of calls increasing dramatically
> about an hour or so before dawn.  I've often wondered if they are calling
> this commonly all night and are just more easily heard as they descend or
> whether they call more frequently near dawn.
>
>
>
> Keeping my eyes and ears skyward.
>
>
>
> Jim Danzenbaker
>
> Battle Ground, WA
>
>
>
> On Tue, Sep 6, 2016 at 9:01 AM, Jerald  wrote:
>
> In Delaware, my calls steadily increase throughout the night, peaking
> about an hour and a half before sunrise (4:45-5:00 approximately).
>
>
>
> On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly 
> wrote:
>
> Recording in central Michigan, my calls were peaking at about 4:00
> AM—right by the shores of Lake Huron.  My guess is that is when they are
> flying low and looking to land.  I’d have to look at my old data, but I
> think my inland recorders (not near woodlots) did not see the same peak.
> Fall and spring were very different as well.
>
>
>
>
>
>
>
> *From:* bounce-120754960-10103...@list.cornell.edu [mailto:
> bounce-120754960-10103...@list.cornell.edu] *On Behalf Of *Meena Madhav
> Haribal
> *Sent:* Tuesday, September 06, 2016 5:48 AM
> *To:* NFC-L
> *Subject:* [n

RE: [nfc-l] Intersting pattern in data recording

[John Kearney]

Hi All,

I believe some of the variability can be accounted for by the species or
family composition of the flight calls you are recording. Below is a graph
of the distribution of flight calls by family for last autumn at an inland,
forested site in Nova Scotia. 

Interesting thread!

John

 



 

 

 

From: bounce-120756517-28417...@list.cornell.edu
[mailto:bounce-120756517-28417...@list.cornell.edu] On Behalf Of Meena
Madhav Haribal
Sent: September-06-16 14:17
To: Jeff Wells ; Jim Danzenbaker
; Jerald 
Cc: Caitlin Coberly ; NFC-L 
Subject: Re: [nfc-l] Intersting pattern in data recording

 

Hi Jeff and all, 

Thanks for your feed back.  It is getting more interesting!  I just looked
at the data of Sep 21 2015 when I recorded over thousand calls.  As Jeff
mentioned it peaked around 2 am. 

As for Swainsons Thrushes, I have been recording very few calls or no calls
at all, when some other people in my locality have been reporting lots of
them. Just as crow flies a mile down stream from me from Schoellkopf's
stadium someone recorded several of them the other night.  So it seems it is
very interesting. 

 

I will look at my data from last year's sometimes soon. 

 

So what makes them to peak at different times on different days?  Does it
denote from where and how long they have been making their journey? 

 

BTW, Jeff I still have your bug book. If send me your mailing address I will
mail it to you. 

 

Cheers

Meena 

 

Meena Haribal

Ithaca NY 14850

42.429007,-76.47111

http://www.haribal.org/

http://meenaharibal.blogspot.com/

Ithaca area moths: https://plus.google.com/118047473426099383469/posts

Dragonfly book sample pages:
http://www.haribal.org/dragonflies/samplebook.pdf

 

 

 

 

  _  

From: Jeff Wells mailto:jeffwe...@borealbirds.org> >
Sent: Tuesday, September 6, 2016 1:01 PM
To: Jim Danzenbaker; Jerald
Cc: Caitlin Coberly; Meena Madhav Haribal; NFC-L
Subject: RE: [nfc-l] Intersting pattern in data recording 

 

A few years ago, a then undergraduate at Colby College here in Maine named
Andy McEvoy used two of my nocturnal flight call datasets in his Senior
Honors Thesis. The locations were from Deline, Northwest Territories from
Fall 2006 and from Lesser Slave Lake Bird Observatory, Alberta from Fall
2007.

 

Attached is an image from Andy's thesis  showing graphs of how many times in
each season a particular hour after sunset recorded the peak number of
calls. It was not the same every night. 

 

Jeff Wells 

 

From: bounce-120756138-12790...@list.cornell.edu

[mailto:bounce-120756138-12790...@list.cornell.edu] On Behalf Of Jim
Danzenbaker
Sent: Tuesday, September 06, 2016 12:16 PM
To: Jerald
Cc: Caitlin Coberly; Meena Madhav Haribal; NFC-L
Subject: Re: [nfc-l] Intersting pattern in data recording

 

All,

 

Out here in southwestern Washington State, I have a steady flow of very
vocal Swainson's Thrushes flying over every night.  Like others on this list
serve, I've noted that the number of calls increasing dramatically about an
hour or so before dawn.  I've often wondered if they are calling this
commonly all night and are just more easily heard as they descend or whether
they call more frequently near dawn.

 

Keeping my eyes and ears skyward.

 

Jim Danzenbaker

Battle Ground, WA 

 

On Tue, Sep 6, 2016 at 9:01 AM, Jerald mailto:jrebel...@gmail.com> > wrote:

In Delaware, my calls steadily increase throughout the night, peaking about
an hour and a half before sunrise (4:45-5:00 approximately).

 

On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly mailto:prai...@dswebnet.com> > wrote:

Recording in central Michigan, my calls were peaking at about 4:00 AM-right
by the shores of Lake Huron.  My guess is that is when they are flying low
and looking to land.  I'd have to look at my old data, but I think my inland
recorders (not near woodlots) did not see the same peak.  Fall and spring
were very different as well.

 

 

 

From: bounce-120754960-10103...@list.cornell.edu

[mailto:bounce-120754960-10103...@list.cornell.edu
 ] On Behalf Of Meena
Madhav Haribal
Sent: Tuesday, September 06, 2016 5:48 AM
To: NFC-L
Subject: [nfc-l] Intersting pattern in data recording

 

Hi all, 

I have been recording in Ithaca NY for last few days. I am finding an
interesting pattern in number of calls recorded per hour (between 9.00 pm to
5.30 am). My recordings of the calls peak around 3.00 am in the morning. So
I am not sure why that pattern. Whether that is the time when they are ready
to touch down so they fly low in search of good locations or something else
is happening? I am curious to know how others are finding. If any Ithaca
recorders are out there have you looked at the pattern? Bill Evans who has
been recording form Danby area in Ithaca sent me a pattern for one day and
that day it peaked around 1.00 am and it also at higher elev

Re: [nfc-l] Interesting pattern in data recording

[Jerald]

Sorry all, it appears I was mistake in my earlier statement. I made an
excel chart of calls for three nights this week which I have attached
below. As you can see, the peak seems to be around 22:00 on all three
nights. However, I only listen live until 23:00, and use automatic
detectors for the rest of the night, so the data after 11 is most likely
skewed. The winds were from the north on all three nights.

On Tue, Sep 6, 2016 at 1:17 PM, Meena Madhav Haribal 
wrote:

> Hi Jeff and all,
>
> Thanks for your feed back.  It is getting more interesting!  I just looked
> at the data of Sep 21 2015 when I recorded over thousand calls.  As Jeff
> mentioned it peaked around 2 am.
>
> As for Swainsons Thrushes, I have been recording very few calls or no
> calls at all, when some other people in my locality have been reporting
> lots of them. Just as crow flies a mile down stream from me from
> Schoellkopf's  stadium someone recorded several of them the other night.
> So it seems it is very interesting.
>
>
> I will look at my data from last year's sometimes soon.
>
>
> So what makes them to peak at different times on different days?  Does it
> denote from where and how long they have been making their journey?
>
>
> BTW, Jeff I still have your bug book. If send me your mailing address I
> will mail it to you.
>
>
> Cheers
>
> Meena
>
>
> Meena Haribal
> Ithaca NY 14850
> 42.429007,-76.47111
> http://www.haribal.org/
> http://meenaharibal.blogspot.com/
> Ithaca area moths: https://plus.google.com/118047473426099383469/posts
> Dragonfly book sample pages: http://www.haribal.org/
> dragonflies/samplebook.pdf
>
>
>
>
>
> --
> *From:* Jeff Wells 
> *Sent:* Tuesday, September 6, 2016 1:01 PM
> *To:* Jim Danzenbaker; Jerald
> *Cc:* Caitlin Coberly; Meena Madhav Haribal; NFC-L
> *Subject:* RE: [nfc-l] Intersting pattern in data recording
>
>
> A few years ago, a then undergraduate at Colby College here in Maine named
> Andy McEvoy used two of my nocturnal flight call datasets in his Senior
> Honors Thesis. The locations were from Deline, Northwest Territories from
> Fall 2006 and from Lesser Slave Lake Bird Observatory, Alberta from Fall
> 2007.
>
>
>
> Attached is an image from Andy’s thesis  showing graphs of how many times
> in each season a particular hour after sunset recorded the peak number of
> calls. It was not the same every night.
>
>
>
> Jeff Wells
>
>
>
> *From:* bounce-120756138-12790...@list.cornell.edu [mailto:
> bounce-120756138-12790...@list.cornell.edu] *On Behalf Of *Jim Danzenbaker
> *Sent:* Tuesday, September 06, 2016 12:16 PM
> *To:* Jerald
> *Cc:* Caitlin Coberly; Meena Madhav Haribal; NFC-L
> *Subject:* Re: [nfc-l] Intersting pattern in data recording
>
>
>
> All,
>
>
>
> Out here in southwestern Washington State, I have a steady flow of very
> vocal Swainson's Thrushes flying over every night.  Like others on this
> list serve, I've noted that the number of calls increasing dramatically
> about an hour or so before dawn.  I've often wondered if they are calling
> this commonly all night and are just more easily heard as they descend or
> whether they call more frequently near dawn.
>
>
>
> Keeping my eyes and ears skyward.
>
>
>
> Jim Danzenbaker
>
> Battle Ground, WA
>
>
>
> On Tue, Sep 6, 2016 at 9:01 AM, Jerald  wrote:
>
> In Delaware, my calls steadily increase throughout the night, peaking
> about an hour and a half before sunrise (4:45-5:00 approximately).
>
>
>
> On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly 
> wrote:
>
> Recording in central Michigan, my calls were peaking at about 4:00
> AM—right by the shores of Lake Huron.  My guess is that is when they are
> flying low and looking to land.  I’d have to look at my old data, but I
> think my inland recorders (not near woodlots) did not see the same peak.
> Fall and spring were very different as well.
>
>
>
>
>
>
>
> *From:* bounce-120754960-10103...@list.cornell.edu [mailto:
> bounce-120754960-10103...@list.cornell.edu] *On Behalf Of *Meena Madhav
> Haribal
> *Sent:* Tuesday, September 06, 2016 5:48 AM
> *To:* NFC-L
> *Subject:* [nfc-l] Intersting pattern in data recording
>
>
>
> Hi all,
>
> I have been recording in Ithaca NY for last few days. I am finding an
> interesting pattern in number of calls recorded per hour (between 9.00 pm
> to 5.30 am). My recordings of the calls peak around 3.00 am in the morning.
> So I am not sure why that pattern. Whether that is the time when they are
> ready to touch down so they fly low in search of good locations or
> something else is happening? I am curious to know how others are finding.
> If any Ithaca recorders are out there have you looked at the pattern? Bill
> Evans who has been recording form Danby area in Ithaca sent me a pattern
> for one day and that day it peaked around 1.00 am and it also at higher
> elevation of 1500 ft, while I am at at 821 feet.
>
>
>
> Here is the actual data.
>
>
>
>
>
>
>
> Any thoughts are welcome!
>
>
>
>
>
> Meena Haribal
>
> Ith

RE: [nfc-l] more on nightly flight call timing variation

[Caitlin Coberly]

Be lovely to see that correlated with weather patterns, or across geographic
scales.  Be fun, of course, to correlate with the radar imagery as well.





-Original Message-
From: bounce-120756676-10103...@list.cornell.edu
[mailto:bounce-120756676-10103...@list.cornell.edu] On Behalf Of Jeff Wells
Sent: Tuesday, September 06, 2016 10:55 AM
To: nfc-l@cornell.edu
Subject: [nfc-l] more on nightly flight call timing variation

Another undergraduate at the time from Bates College named Mike Watson did
some work for his honors thesis using data from three of my recording units
run simultaneously here in Maine all within a few miles of each other.

Attached is one figure showing the nightly variation over three October
nights.

Jeff Wells


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[nfc-l] more on nightly flight call timing variation

[Jeff Wells]

Another undergraduate at the time from Bates College named Mike Watson did some 
work for his honors thesis using data from three of my recording units run 
simultaneously here in Maine all within a few miles of each other.

Attached is one figure showing the nightly variation over three October nights.

Jeff Wells


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Re: [nfc-l] Intersting pattern in data recording

[Meena Madhav Haribal]

Hi Jeff and all,

Thanks for your feed back.  It is getting more interesting!  I just looked at 
the data of Sep 21 2015 when I recorded over thousand calls.  As Jeff mentioned 
it peaked around 2 am.

As for Swainsons Thrushes, I have been recording very few calls or no calls at 
all, when some other people in my locality have been reporting lots of them. 
Just as crow flies a mile down stream from me from Schoellkopf's  stadium 
someone recorded several of them the other night.  So it seems it is very 
interesting.


I will look at my data from last year's sometimes soon.


So what makes them to peak at different times on different days?  Does it 
denote from where and how long they have been making their journey?


BTW, Jeff I still have your bug book. If send me your mailing address I will 
mail it to you.


Cheers

Meena


Meena Haribal
Ithaca NY 14850
42.429007,-76.47111
http://www.haribal.org/
http://meenaharibal.blogspot.com/
Ithaca area moths: https://plus.google.com/118047473426099383469/posts
Dragonfly book sample pages: http://www.haribal.org/dragonflies/samplebook.pdf






From: Jeff Wells 
Sent: Tuesday, September 6, 2016 1:01 PM
To: Jim Danzenbaker; Jerald
Cc: Caitlin Coberly; Meena Madhav Haribal; NFC-L
Subject: RE: [nfc-l] Intersting pattern in data recording


A few years ago, a then undergraduate at Colby College here in Maine named Andy 
McEvoy used two of my nocturnal flight call datasets in his Senior Honors 
Thesis. The locations were from Deline, Northwest Territories from Fall 2006 
and from Lesser Slave Lake Bird Observatory, Alberta from Fall 2007.



Attached is an image from Andy’s thesis  showing graphs of how many times in 
each season a particular hour after sunset recorded the peak number of calls. 
It was not the same every night.



Jeff Wells



From: bounce-120756138-12790...@list.cornell.edu 
[mailto:bounce-120756138-12790...@list.cornell.edu] On Behalf Of Jim Danzenbaker
Sent: Tuesday, September 06, 2016 12:16 PM
To: Jerald
Cc: Caitlin Coberly; Meena Madhav Haribal; NFC-L
Subject: Re: [nfc-l] Intersting pattern in data recording



All,



Out here in southwestern Washington State, I have a steady flow of very vocal 
Swainson's Thrushes flying over every night.  Like others on this list serve, 
I've noted that the number of calls increasing dramatically about an hour or so 
before dawn.  I've often wondered if they are calling this commonly all night 
and are just more easily heard as they descend or whether they call more 
frequently near dawn.



Keeping my eyes and ears skyward.



Jim Danzenbaker

Battle Ground, WA



On Tue, Sep 6, 2016 at 9:01 AM, Jerald 
mailto:jrebel...@gmail.com>> wrote:

In Delaware, my calls steadily increase throughout the night, peaking about an 
hour and a half before sunrise (4:45-5:00 approximately).



On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly 
mailto:prai...@dswebnet.com>> wrote:

Recording in central Michigan, my calls were peaking at about 4:00 AM—right by 
the shores of Lake Huron.  My guess is that is when they are flying low and 
looking to land.  I’d have to look at my old data, but I think my inland 
recorders (not near woodlots) did not see the same peak.  Fall and spring were 
very different as well.







From: 
bounce-120754960-10103...@list.cornell.edu
 
[mailto:bounce-120754960-10103...@list.cornell.edu]
 On Behalf Of Meena Madhav Haribal
Sent: Tuesday, September 06, 2016 5:48 AM
To: NFC-L
Subject: [nfc-l] Intersting pattern in data recording



Hi all,

I have been recording in Ithaca NY for last few days. I am finding an 
interesting pattern in number of calls recorded per hour (between 9.00 pm to 
5.30 am). My recordings of the calls peak around 3.00 am in the morning. So I 
am not sure why that pattern. Whether that is the time when they are ready to 
touch down so they fly low in search of good locations or something else is 
happening? I am curious to know how others are finding. If any Ithaca recorders 
are out there have you looked at the pattern? Bill Evans who has been recording 
form Danby area in Ithaca sent me a pattern for one day and that day it peaked 
around 1.00 am and it also at higher elevation of 1500 ft, while I am at at 821 
feet.



Here is the actual data.





[cid:image001.png@01D2083E.184475A0]



Any thoughts are welcome!





Meena Haribal

Ithaca NY 14850

42.429007,-76.47111, 821 ft

http://www.haribal.org/

http://meenaharibal.blogspot.com/

Ithaca area moths: https://plus.google.com/118047473426099383469/posts

Dragonfly book sample pages: http://www.haribal.org/dragonflies/samplebook.pdf











From: 
bounce-120754645-10061...@list.cornell.edu
 
mailto:bounce-120754645-10061...@list.cornell.edu>>
 on behalf of John Kearney 
mailto:john.kear...@ns.sympatico.ca>>

Re: [nfc-l] Intersting pattern in data recording

[Jim Danzenbaker]

All,

Out here in southwestern Washington State, I have a steady flow of very
vocal Swainson's Thrushes flying over every night.  Like others on this
list serve, I've noted that the number of calls increasing dramatically
about an hour or so before dawn.  I've often wondered if they are calling
this commonly all night and are just more easily heard as they descend or
whether they call more frequently near dawn.

Keeping my eyes and ears skyward.

Jim Danzenbaker
Battle Ground, WA

On Tue, Sep 6, 2016 at 9:01 AM, Jerald  wrote:

> In Delaware, my calls steadily increase throughout the night, peaking
> about an hour and a half before sunrise (4:45-5:00 approximately).
>
> On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly 
> wrote:
>
>> Recording in central Michigan, my calls were peaking at about 4:00
>> AM—right by the shores of Lake Huron.  My guess is that is when they are
>> flying low and looking to land.  I’d have to look at my old data, but I
>> think my inland recorders (not near woodlots) did not see the same peak.
>> Fall and spring were very different as well.
>>
>>
>>
>>
>>
>>
>>
>> *From:* bounce-120754960-10103...@list.cornell.edu [mailto:
>> bounce-120754960-10103...@list.cornell.edu] *On Behalf Of *Meena Madhav
>> Haribal
>> *Sent:* Tuesday, September 06, 2016 5:48 AM
>> *To:* NFC-L
>> *Subject:* [nfc-l] Intersting pattern in data recording
>>
>>
>>
>> Hi all,
>>
>> I have been recording in Ithaca NY for last few days. I am finding an
>> interesting pattern in number of calls recorded per hour (between 9.00 pm
>> to 5.30 am). My recordings of the calls peak around 3.00 am in the morning.
>> So I am not sure why that pattern. Whether that is the time when they are
>> ready to touch down so they fly low in search of good locations or
>> something else is happening? I am curious to know how others are finding.
>> If any Ithaca recorders are out there have you looked at the pattern? Bill
>> Evans who has been recording form Danby area in Ithaca sent me a pattern
>> for one day and that day it peaked around 1.00 am and it also at higher
>> elevation of 1500 ft, while I am at at 821 feet.
>>
>>
>>
>> Here is the actual data.
>>
>>
>>
>>
>>
>>
>>
>> Any thoughts are welcome!
>>
>>
>>
>>
>>
>> Meena Haribal
>>
>> Ithaca NY 14850
>>
>> 42.429007,-76.47111, 821 ft
>>
>> http://www.haribal.org/
>>
>> http://meenaharibal.blogspot.com/
>>
>> Ithaca area moths: https://plus.google.com/118047473426099383469/posts
>>
>> Dragonfly book sample pages: http://www.haribal.org/dragonf
>> lies/samplebook.pdf
>>
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> *From:* bounce-120754645-10061...@list.cornell.edu <
>> bounce-120754645-10061...@list.cornell.edu> on behalf of John Kearney <
>> john.kear...@ns.sympatico.ca>
>> *Sent:* Tuesday, September 6, 2016 7:09 AM
>> *To:* 'Preston Lust'; NFC-L
>> *Subject:* RE: [nfc-l] Interesting Call
>>
>>
>>
>> Hi Preston and all,
>>
>> I downloaded the calls you sent. The first one is a “double-up” warbler
>> mostly likely one in the genus *Oreothlypis *(Nashville, Tennessee, and
>> Orange-crowned). I would lean toward Tennessee for this one due to the nice
>> bend in the spectrogram. When I first looked at the second call, I thought
>> it was a Magnolia Warbler due to the spacing between humps, but on closer
>> examination its high frequency, number of humps, depth between humps, and
>> somewhat descending character fit better with Cape May Warbler.
>>
>> John
>>
>>
>>
>> John Kearney
>>
>> Carleton, Nova Scotia
>>
>>
>>
>> *From:* bounce-120753747-28417...@list.cornell.edu [
>> mailto:bounce-120753747-28417...@list.cornell.edu
>> ] *On Behalf Of *Preston Lust
>> *Sent:* September-05-16 20:58
>> *To:* nf...@list.cornell.edu
>> *Subject:* [nfc-l] Interesting Call
>>
>>
>>
>> Night of 9/01-02/16; Westport, Connecticut
>>
>>
>>
>> I recorded an interesting call that night (the night of a small cold
>> front), and was wondering if anyone could aid me in its identification.
>> Thank you for any input.
>>
>> --
>>
>> *NFC-L List Info:*
>>
>> Welcome and Basics 
>>
>> Rules and Information 
>>
>> Subscribe, Configuration and Leave
>> 
>>
>> *Archives:*
>>
>> The Mail Archive
>> 
>>
>> Surfbirds 
>>
>> BirdingOnThe.Net 
>>
>> *Please submit your observations to eBird
>> !*
>>
>> --
>>
>> --
>>
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>>
>> Welcome and Basics 
>>
>> Rules and Information 
>>
>> Subscribe, Configuration and Leave
>> 
>>
>> *Archives:*
>>
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>> 

Re: [nfc-l] Intersting pattern in data recording

[Jerald]

In Delaware, my calls steadily increase throughout the night, peaking about
an hour and a half before sunrise (4:45-5:00 approximately).

On Tue, Sep 6, 2016 at 11:45 AM, Caitlin Coberly 
wrote:

> Recording in central Michigan, my calls were peaking at about 4:00
> AM—right by the shores of Lake Huron.  My guess is that is when they are
> flying low and looking to land.  I’d have to look at my old data, but I
> think my inland recorders (not near woodlots) did not see the same peak.
> Fall and spring were very different as well.
>
>
>
>
>
>
>
> *From:* bounce-120754960-10103...@list.cornell.edu [mailto:
> bounce-120754960-10103...@list.cornell.edu] *On Behalf Of *Meena Madhav
> Haribal
> *Sent:* Tuesday, September 06, 2016 5:48 AM
> *To:* NFC-L
> *Subject:* [nfc-l] Intersting pattern in data recording
>
>
>
> Hi all,
>
> I have been recording in Ithaca NY for last few days. I am finding an
> interesting pattern in number of calls recorded per hour (between 9.00 pm
> to 5.30 am). My recordings of the calls peak around 3.00 am in the morning.
> So I am not sure why that pattern. Whether that is the time when they are
> ready to touch down so they fly low in search of good locations or
> something else is happening? I am curious to know how others are finding.
> If any Ithaca recorders are out there have you looked at the pattern? Bill
> Evans who has been recording form Danby area in Ithaca sent me a pattern
> for one day and that day it peaked around 1.00 am and it also at higher
> elevation of 1500 ft, while I am at at 821 feet.
>
>
>
> Here is the actual data.
>
>
>
>
>
>
>
> Any thoughts are welcome!
>
>
>
>
>
> Meena Haribal
>
> Ithaca NY 14850
>
> 42.429007,-76.47111, 821 ft
>
> http://www.haribal.org/
>
> http://meenaharibal.blogspot.com/
>
> Ithaca area moths: https://plus.google.com/118047473426099383469/posts
>
> Dragonfly book sample pages: http://www.haribal.org/
> dragonflies/samplebook.pdf
>
>
>
>
>
>
>
>
> --
>
> *From:* bounce-120754645-10061...@list.cornell.edu <
> bounce-120754645-10061...@list.cornell.edu> on behalf of John Kearney <
> john.kear...@ns.sympatico.ca>
> *Sent:* Tuesday, September 6, 2016 7:09 AM
> *To:* 'Preston Lust'; NFC-L
> *Subject:* RE: [nfc-l] Interesting Call
>
>
>
> Hi Preston and all,
>
> I downloaded the calls you sent. The first one is a “double-up” warbler
> mostly likely one in the genus *Oreothlypis *(Nashville, Tennessee, and
> Orange-crowned). I would lean toward Tennessee for this one due to the nice
> bend in the spectrogram. When I first looked at the second call, I thought
> it was a Magnolia Warbler due to the spacing between humps, but on closer
> examination its high frequency, number of humps, depth between humps, and
> somewhat descending character fit better with Cape May Warbler.
>
> John
>
>
>
> John Kearney
>
> Carleton, Nova Scotia
>
>
>
> *From:* bounce-120753747-28417...@list.cornell.edu [
> mailto:bounce-120753747-28417...@list.cornell.edu
> ] *On Behalf Of *Preston Lust
> *Sent:* September-05-16 20:58
> *To:* nf...@list.cornell.edu
> *Subject:* [nfc-l] Interesting Call
>
>
>
> Night of 9/01-02/16; Westport, Connecticut
>
>
>
> I recorded an interesting call that night (the night of a small cold
> front), and was wondering if anyone could aid me in its identification.
> Thank you for any input.
>
> --
>
> *NFC-L List Info:*
>
> Welcome and Basics 
>
> Rules and Information 
>
> Subscribe, Configuration and Leave
> 
>
> *Archives:*
>
> The Mail Archive
> 
>
> Surfbirds 
>
> BirdingOnThe.Net 
>
> *Please submit your observations to eBird
> !*
>
> --
>
> --
>
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>
> Welcome and Basics 
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> Rules and Information 
>
> Subscribe, Configuration and Leave
> 
>
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> 
>
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>
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>
> *Please submit your observations to eBird
> !*
>
> --
>
> --
>
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>
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>
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>
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> 
>
> *Archives:*
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> Surfbirds 

RE: [nfc-l] Intersting pattern in data recording

[Caitlin Coberly]

Recording in central Michigan, my calls were peaking at about 4:00 AM-right
by the shores of Lake Huron.  My guess is that is when they are flying low
and looking to land.  I'd have to look at my old data, but I think my inland
recorders (not near woodlots) did not see the same peak.  Fall and spring
were very different as well.

 

 

 

From: bounce-120754960-10103...@list.cornell.edu
[mailto:bounce-120754960-10103...@list.cornell.edu] On Behalf Of Meena
Madhav Haribal
Sent: Tuesday, September 06, 2016 5:48 AM
To: NFC-L
Subject: [nfc-l] Intersting pattern in data recording

 

Hi all, 

I have been recording in Ithaca NY for last few days. I am finding an
interesting pattern in number of calls recorded per hour (between 9.00 pm to
5.30 am). My recordings of the calls peak around 3.00 am in the morning. So
I am not sure why that pattern. Whether that is the time when they are ready
to touch down so they fly low in search of good locations or something else
is happening? I am curious to know how others are finding. If any Ithaca
recorders are out there have you looked at the pattern? Bill Evans who has
been recording form Danby area in Ithaca sent me a pattern for one day and
that day it peaked around 1.00 am and it also at higher elevation of 1500
ft, while I am at at 821 feet. 

 

Here is the actual data.

 

 



 

Any thoughts are welcome!

 

 

Meena Haribal

Ithaca NY 14850

42.429007,-76.47111, 821 ft

http://www.haribal.org/

http://meenaharibal.blogspot.com/

Ithaca area moths: https://plus.google.com/118047473426099383469/posts

Dragonfly book sample pages:
http://www.haribal.org/dragonflies/samplebook.pdf

 

 

 

 

  _  

From: bounce-120754645-10061...@list.cornell.edu
 on behalf of John Kearney

Sent: Tuesday, September 6, 2016 7:09 AM
To: 'Preston Lust'; NFC-L
Subject: RE: [nfc-l] Interesting Call 

 

Hi Preston and all,

I downloaded the calls you sent. The first one is a "double-up" warbler
mostly likely one in the genus Oreothlypis (Nashville, Tennessee, and
Orange-crowned). I would lean toward Tennessee for this one due to the nice
bend in the spectrogram. When I first looked at the second call, I thought
it was a Magnolia Warbler due to the spacing between humps, but on closer
examination its high frequency, number of humps, depth between humps, and
somewhat descending character fit better with Cape May Warbler.

John

 

John Kearney

Carleton, Nova Scotia

 

From: bounce-120753747-28417...@list.cornell.edu
[mailto:bounce-120753747-28417...@list.cornell.edu] On Behalf Of Preston
Lust
Sent: September-05-16 20:58
To: nf...@list.cornell.edu
Subject: [nfc-l] Interesting Call

 

Night of 9/01-02/16; Westport, Connecticut

 

I recorded an interesting call that night (the night of a small cold front),
and was wondering if anyone could aid me in its identification. Thank you
for any input.

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Archive

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Please submit your observations to eBird:
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[nfc-l] Intersting pattern in data recording

[Meena Madhav Haribal]

Hi all,

I have been recording in Ithaca NY for last few days. I am finding an 
interesting pattern in number of calls recorded per hour (between 9.00 pm to 
5.30 am). My recordings of the calls peak around 3.00 am in the morning. So I 
am not sure why that pattern. Whether that is the time when they are ready to 
touch down so they fly low in search of good locations or something else is 
happening? I am curious to know how others are finding. If any Ithaca recorders 
are out there have you looked at the pattern? Bill Evans who has been recording 
form Danby area in Ithaca sent me a pattern for one day and that day it peaked 
around 1.00 am and it also at higher elevation of 1500 ft, while I am at at 821 
feet.


Here is the actual data.



[cid:654fdc38-bd64-46fd-98a3-b0a04ac87acd]


Any thoughts are welcome!



Meena Haribal
Ithaca NY 14850
42.429007,-76.47111, 821 ft
http://www.haribal.org/
http://meenaharibal.blogspot.com/
Ithaca area moths: https://plus.google.com/118047473426099383469/posts
Dragonfly book sample pages: http://www.haribal.org/dragonflies/samplebook.pdf






From: bounce-120754645-10061...@list.cornell.edu 
 on behalf of John Kearney 

Sent: Tuesday, September 6, 2016 7:09 AM
To: 'Preston Lust'; NFC-L
Subject: RE: [nfc-l] Interesting Call


Hi Preston and all,

I downloaded the calls you sent. The first one is a "double-up" warbler mostly 
likely one in the genus Oreothlypis (Nashville, Tennessee, and Orange-crowned). 
I would lean toward Tennessee for this one due to the nice bend in the 
spectrogram. When I first looked at the second call, I thought it was a 
Magnolia Warbler due to the spacing between humps, but on closer examination 
its high frequency, number of humps, depth between humps, and somewhat 
descending character fit better with Cape May Warbler.

John



John Kearney

Carleton, Nova Scotia



From: bounce-120753747-28417...@list.cornell.edu 
[mailto:bounce-120753747-28417...@list.cornell.edu] On Behalf Of Preston Lust
Sent: September-05-16 20:58
To: nf...@list.cornell.edu
Subject: [nfc-l] Interesting Call



Night of 9/01-02/16; Westport, Connecticut



I recorded an interesting call that night (the night of a small cold front), 
and was wondering if anyone could aid me in its identification. Thank you for 
any input.

--

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Welcome and Basics

Rules and Information

Subscribe, Configuration and 
Leave

Archives:

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RE: [nfc-l] Interesting Call

[John Kearney]

Hi Preston and all,

I downloaded the calls you sent. The first one is a “double-up” warbler mostly 
likely one in the genus Oreothlypis (Nashville, Tennessee, and Orange-crowned). 
I would lean toward Tennessee for this one due to the nice bend in the 
spectrogram. When I first looked at the second call, I thought it was a 
Magnolia Warbler due to the spacing between humps, but on closer examination 
its high frequency, number of humps, depth between humps, and somewhat 
descending character fit better with Cape May Warbler.

John

 

John Kearney

Carleton, Nova Scotia

 

From: bounce-120753747-28417...@list.cornell.edu 
[mailto:bounce-120753747-28417...@list.cornell.edu] On Behalf Of Preston Lust
Sent: September-05-16 20:58
To: nf...@list.cornell.edu
Subject: [nfc-l] Interesting Call

 

Night of 9/01-02/16; Westport, Connecticut

 

I recorded an interesting call that night (the night of a small cold front), 
and was wondering if anyone could aid me in its identification. Thank you for 
any input.

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[nfc-l] NFCs Week of 8/26 through 9/2

[John Kearney]

Hi Jerald and all,

Thanks for sharing your monitoring results. I look forward to your next
report. 

As for your strange call, it is indeed strange; very high frequency. I
wonder if it is a bird at all. It is almost mouse like.

John

 

John Kearney

Carleton, Nova Scotia


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