RE: [nfc-l] First night flight of 2012?

2012-02-09 Thread Ted Floyd
Hi, all.
 
Agreed with everybody that it's fascinating to observer these mid-winter
movements. (And I'm a fan of mid-summer movements, too!)
 
Here's a tidbit from Jon Dunn and Kimball Garrett's Warblers (Houghton
Mifflin, 1997):
 
"Unlike most other warblers, Yellow-rumps may move considerably through
the winter season (facultative migration), probably in response to
shifting food resources; this movement even involves nocturnal migration
behavior more typical of spring and fall."
 
Here in Colorado, we sometimes hear American Tree Sparrows flying at
night in the dead of winter. (Long story short: movements possibly
associated with the midwinter prealternate molt???--now known to be more
extensive that was previously thought.) And imagine if we listened with
the same intensity that we do in Sept. and Oct.!
 
Ted Floyd
tfl...@aba.org <mailto:tfl...@aba.org> 
Lafayette, Boulder County, Colorado
 
 
 
 



From: bounce-39931144-9667...@list.cornell.edu
[mailto:bounce-39931144-9667...@list.cornell.edu] On Behalf Of Steve
Kelling
Sent: Wednesday, February 08, 2012 2:28 PM
To: Kenneth Victor Rosenberg
Cc: Michael O'Brien; Andrew Albright; NFC-L
Subject: Re: [nfc-l] First night flight of 2012?


I think birds move around at night year-round. For example in Jan and
Feb, I record the flight calls of Snow Buntings during the pre-dawn
(0430-0700) of many mornings. Last winter I recorded Common Redpolls
also in the pre-dawn.  I occasionally will record American Robins at
this time. I seldom (never Snow Buntings) get these birds on the ground
during my daily dawn eBird counts.

Steve Kelling


On Wed, Feb 8, 2012 at 3:44 PM, Kenneth Victor Rosenberg
 wrote:


Ithaca, NY had it's first Killdeer of the year yesterday, so a
few birds are likely moving (but north with the mild weather, or south
with the arriving cold snap??) 

KEN




Ken Rosenberg
Conservation Science Program
Cornell Lab of Ornithology
607-254-2412
607-342-4594 (cell)
k...@cornell.edu

On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:



Andrew,

It should not be a big surprise to hear a single
nocturnal migrant Killdeer at this time of year in Pennsylvania. Spring
migrants begin moving in February, and "fall" migrants will sometimes
move any time in winter if they get pushed out of northern areas by cold
weather or snow. This has been a mild winter, so there were likely more
Killdeers lingering at northern latitudes than usual. Still, it's really
cool to hear a nocturnal migrant in mid-winter, and great to document
it!

best wishes,
Michael


Michael O'Brien
Victor Emanuel Nature Tours
www.ventbird.com



From: "Andrew Albright" 
To: "nfc-l" 
Sent: Tuesday, February 7, 2012 10:13:54 PM
Subject: [nfc-l] First night flight of 2012?

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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Re: [nfc-l] First night flight of 2012?

2012-02-08 Thread Kenneth Victor Rosenberg
Hi all,

The topic of night-time roosting is a bit different from migration, but could 
potentially prove to be another interesting application of NFC research -- if 
birds potentially call, say in the pre-dawn, while exiting roosts. I think this 
is one of the least known aspect of bird biology. For example, probably many 
more species than people think roost communally at night and may fly long 
distances to safe roost sites. One of the weirdest tidbits I learned was from 
researchers studying Bicknell's Thrushes wintering in the Dominican Republic -- 
several radio-tagged individuals flew out from their highly threatened montane 
forest daytime habitats to roost at night in isolated trees out in cattle 
pastures. I believe several even roosted in the same tree. It's all about 
safety from predators, of course.

So continued listening and recording at night may reveal more than just 
migration.

KEN


Ken Rosenberg
Conservation Science Program
Cornell Lab of Ornithology
607-254-2412
607-342-4594 (cell)
k...@cornell.edu

On Feb 8, 2012, at 4:40 PM, Timothy Spahr wrote:

> 
> 
> Hi everyone,
> 
> I've been following this thread with some interest.  A couple of anecdotes to
> add some more color on this already interesting story!:
> 
> 1)  I had a mob of Fox Sparrows here (central MA) a few winters ago
> in February, up to 8 at a time, under my feeder.  In the evening, they'd 
> ascend
> to the tops of the trees, calling loudly and acting like they
> were set to migrate, and all fly off to the north.  The next
> morning they would be back here.  So question number 1 is how
> far, really, do birds roost from routine feeding sites?
> 
> 2)  When conducting woodpecker surveys in the Apalachicola region
> in the early 2000s, I would notice Pileated Woodpeckers making
> long flights over the treetops, or over simply open areas,
> apparently between food sources.  In one instance I watched a pair
> of PIWOs fly over 2 km from forest patch to forest patch.
> Why would they do this?  Especially when they could drill a hole
> near the food source and sleep there.
> 
> Both of these instances suggested to me, at least naively,
> that these birds might move around far more than we expect.
> Perhaps some other list members might have anecdotes to support
> Seth's contention about mobility?
> 
> 
> Best,
> 
> Tim Spahr
> 
> 
> 
> On Wed, 8 Feb 2012, Steve Kelling wrote:
> 
>> I think birds move around at night year-round. For example in Jan and Feb,
>> I record the flight calls of Snow Buntings during the pre-dawn (0430-0700)
>> of many mornings. Last winter I recorded Common Redpolls also in the
>> pre-dawn.  I occasionally will record American Robins at this time. I
>> seldom (never Snow Buntings) get these birds on the ground during my daily
>> dawn eBird counts.
>> 
>> Steve Kelling
>> 
> 
> (the rest snipped out)


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RE: [nfc-l] First night flight of 2012?

2012-02-08 Thread Caitlin Coberly
Steve-where are you located?

 

 

From: bounce-39931144-10103...@list.cornell.edu
[mailto:bounce-39931144-10103...@list.cornell.edu] On Behalf Of Steve
Kelling
Sent: Wednesday, February 08, 2012 1:28 PM
To: Kenneth Victor Rosenberg
Cc: Michael O'Brien; Andrew Albright; NFC-L
Subject: Re: [nfc-l] First night flight of 2012?

 

I think birds move around at night year-round. For example in Jan and Feb, I
record the flight calls of Snow Buntings during the pre-dawn (0430-0700) of
many mornings. Last winter I recorded Common Redpolls also in the pre-dawn.
I occasionally will record American Robins at this time. I seldom (never
Snow Buntings) get these birds on the ground during my daily dawn eBird
counts.

Steve Kelling

On Wed, Feb 8, 2012 at 3:44 PM, Kenneth Victor Rosenberg 
wrote:

Ithaca, NY had it's first Killdeer of the year yesterday, so a few birds are
likely moving (but north with the mild weather, or south with the arriving
cold snap??) 

 

KEN

 

Ken Rosenberg

Conservation Science Program

Cornell Lab of Ornithology

607-254-2412

607-342-4594 (cell)

k...@cornell.edu

 

On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:





Andrew,

 

It should not be a big surprise to hear a single nocturnal migrant Killdeer
at this time of year in Pennsylvania. Spring migrants begin moving in
February, and "fall" migrants will sometimes move any time in winter if they
get pushed out of northern areas by cold weather or snow. This has been a
mild winter, so there were likely more Killdeers lingering at northern
latitudes than usual. Still, it's really cool to hear a nocturnal migrant in
mid-winter, and great to document it!

 

best wishes,

Michael

Michael O'Brien
Victor Emanuel Nature Tours
www.ventbird.com

  _  

From: "Andrew Albright" 
To: "nfc-l" 
Sent: Tuesday, February 7, 2012 10:13:54 PM
Subject: [nfc-l] First night flight of 2012?

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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Re: [nfc-l] First night flight of 2012?

2012-02-08 Thread Timothy Spahr


Hi everyone,

I've been following this thread with some interest.  A couple of anecdotes to
add some more color on this already interesting story!:

1)  I had a mob of Fox Sparrows here (central MA) a few winters ago
in February, up to 8 at a time, under my feeder.  In the evening, they'd ascend
to the tops of the trees, calling loudly and acting like they
were set to migrate, and all fly off to the north.  The next
morning they would be back here.  So question number 1 is how
far, really, do birds roost from routine feeding sites?

2)  When conducting woodpecker surveys in the Apalachicola region
in the early 2000s, I would notice Pileated Woodpeckers making
long flights over the treetops, or over simply open areas,
apparently between food sources.  In one instance I watched a pair
of PIWOs fly over 2 km from forest patch to forest patch.
Why would they do this?  Especially when they could drill a hole
near the food source and sleep there.

Both of these instances suggested to me, at least naively,
that these birds might move around far more than we expect.
Perhaps some other list members might have anecdotes to support
Seth's contention about mobility?


Best,

Tim Spahr



On Wed, 8 Feb 2012, Steve Kelling wrote:

> I think birds move around at night year-round. For example in Jan and Feb,
> I record the flight calls of Snow Buntings during the pre-dawn (0430-0700)
> of many mornings. Last winter I recorded Common Redpolls also in the
> pre-dawn.  I occasionally will record American Robins at this time. I
> seldom (never Snow Buntings) get these birds on the ground during my daily
> dawn eBird counts.
>
> Steve Kelling
>

(the rest snipped out)

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Re: [nfc-l] First night flight of 2012?

2012-02-08 Thread Steve Kelling
I think birds move around at night year-round. For example in Jan and Feb,
I record the flight calls of Snow Buntings during the pre-dawn (0430-0700)
of many mornings. Last winter I recorded Common Redpolls also in the
pre-dawn.  I occasionally will record American Robins at this time. I
seldom (never Snow Buntings) get these birds on the ground during my daily
dawn eBird counts.

Steve Kelling

On Wed, Feb 8, 2012 at 3:44 PM, Kenneth Victor Rosenberg
wrote:

>  Ithaca, NY had it's first Killdeer of the year yesterday, so a few birds
> are likely moving (but north with the mild weather, or south with the
> arriving cold snap??)
>
>  KEN
>
>
>  Ken Rosenberg
> Conservation Science Program
> Cornell Lab of Ornithology
> 607-254-2412
> 607-342-4594 (cell)
> k...@cornell.edu
>
>  On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:
>
>   Andrew,
>
>  It should not be a big surprise to hear a single nocturnal migrant
> Killdeer at this time of year in Pennsylvania. Spring migrants begin moving
> in February, and "fall" migrants will sometimes move any time in winter if
> they get pushed out of northern areas by cold weather or snow. This has
> been a mild winter, so there were likely more Killdeers lingering at
> northern latitudes than usual. Still, it's really cool to hear a nocturnal
> migrant in mid-winter, and great to document it!
>
>  best wishes,
> Michael
>
> Michael O'Brien
> Victor Emanuel Nature Tours
> www.ventbird.com
>  --
> *From: *"Andrew Albright" 
> *To: *"nfc-l" 
> *Sent: *Tuesday, February 7, 2012 10:13:54 PM
> *Subject: *[nfc-l] First night flight of 2012?
>
> 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?
>
> --
>
> NFC-L List Info:
> http://www.NortheastBirding.com/NFC_WELCOME
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>
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Steve Kelling
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607-342-1029 (cell)

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RE: [nfc-l] First night flight of 2012?

2012-02-08 Thread Rob Fergus

Killdeer are on the move.  Last night at 6:30pm I had a calling Killdeer flying 
over the Rowan University campus in Glassboro, South Jersey.  Another birder 
reported a pair at Spruce Run yesterday in Hunterdon County, North Jersey.  

Rob Fergus 

Union Township, Hunterdon Co, NJ
http://birdchaser.blogspot.com


From: k...@cornell.edu
To: tsw...@comcast.net
CC: andrew.albri...@gmail.com; nf...@list.cornell.edu
Subject: Re: [nfc-l] First night flight of 2012?
Date: Wed, 8 Feb 2012 20:44:17 +









Ithaca, NY had it's first Killdeer of the year yesterday, so a few birds are 
likely moving (but north with the mild weather, or south with the arriving cold 
snap??)



KEN






Ken Rosenberg
Conservation Science Program
Cornell Lab of Ornithology
607-254-2412
607-342-4594 (cell)
k...@cornell.edu




On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:




Andrew,



It should not be a big surprise to hear a single nocturnal migrant Killdeer at 
this time of year in Pennsylvania. Spring migrants begin moving in February, 
and "fall" migrants will sometimes move any time in winter if they get pushed 
out of northern areas
 by cold weather or snow. This has been a mild winter, so there were likely 
more Killdeers lingering at northern latitudes than usual. Still, it's really 
cool to hear a nocturnal migrant in mid-winter, and great to document it!



best wishes,
Michael



Michael O'Brien

Victor Emanuel Nature Tours

www.ventbird.com



From: "Andrew Albright" 

To: "nfc-l" 

Sent: Tuesday, February 7, 2012 10:13:54 PM

Subject: [nfc-l] First night flight of 2012?



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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Re: [nfc-l] First night flight of 2012?

2012-02-08 Thread Kenneth Victor Rosenberg
Ithaca, NY had it's first Killdeer of the year yesterday, so a few birds are 
likely moving (but north with the mild weather, or south with the arriving cold 
snap??)

KEN


Ken Rosenberg
Conservation Science Program
Cornell Lab of Ornithology
607-254-2412
607-342-4594 (cell)
k...@cornell.edu

On Feb 8, 2012, at 1:50 PM, Michael O'Brien wrote:

Andrew,

It should not be a big surprise to hear a single nocturnal migrant Killdeer at 
this time of year in Pennsylvania. Spring migrants begin moving in February, 
and "fall" migrants will sometimes move any time in winter if they get pushed 
out of northern areas by cold weather or snow. This has been a mild winter, so 
there were likely more Killdeers lingering at northern latitudes than usual. 
Still, it's really cool to hear a nocturnal migrant in mid-winter, and great to 
document it!

best wishes,
Michael

Michael O'Brien
Victor Emanuel Nature Tours
www.ventbird.com

From: "Andrew Albright" 
mailto:andrew.albri...@gmail.com>>
To: "nfc-l" mailto:nfc-l@cornell.edu>>
Sent: Tuesday, February 7, 2012 10:13:54 PM
Subject: [nfc-l] First night flight of 2012?

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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Re: [nfc-l] First night flight of 2012?

2012-02-08 Thread Michael O'Brien

Andrew, 


It should not be a big surprise to hear a single nocturnal migrant Killdeer at 
this time of year in Pennsylvania. Spring migrants begin moving in February, 
and "fall" migrants will sometimes move any time in winter if they get pushed 
out of northern areas by cold weather or snow. This has been a mild winter, so 
there were likely more Killdeers lingering at northern latitudes than usual. 
Still, it's really cool to hear a nocturnal migrant in mid-winter, and great to 
document it! 


best wishes, 
Michael 


Michael O'Brien 
Victor Emanuel Nature Tours 
www.ventbird.com 
- Original Message -
From: "Andrew Albright"  
To: "nfc-l"  
Sent: Tuesday, February 7, 2012 10:13:54 PM 
Subject: [nfc-l] First night flight of 2012? 

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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RE: [nfc-l] First night flight of 2012?

2012-02-08 Thread Caitlin Coberly
In my acoustic recordings in Michigan, Killdeer was a very frequent night
caller.  Also here in Oregon I hear them regularly at night throughout the
winter.  However, they are not rare in either place.

Best,

Caitlin


-Original Message-
From: bounce-39861078-10103...@list.cornell.edu
[mailto:bounce-39861078-10103...@list.cornell.edu] On Behalf Of Andrew
Albright
Sent: Tuesday, February 07, 2012 7:14 PM
To: nfc-l
Subject: [nfc-l] First night flight of 2012?

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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http://www.NortheastBirding.com/NFC_WELCOME
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ARCHIVES:
1) http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html
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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ARCHIVES:
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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:
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