Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Christopher Heckscher 

Hi All,


I apologize for the confusion. I am also not aware of any published information 
on the routes of Gray-cheeked Thrush migrating from Brithish Columbia. In 
addition to the link provided by Nathan regarding Swainson's Thrush, the below 
articles show Veery (not GCTH) breeding in BC use an eastern route across the 
northern Rockies. However, it seems plausible that Gray-cheeked do the same.


http://onlinelibrary.wiley.com/doi/10./jofo.12207/abstract

[http://onlinelibrary.wiley.com/store/10./jofo.2017.88.issue-3/asset/cover.gif?v=1&s=1c3c5066032b3239189ee0759516ac12e271950f]<http://onlinelibrary.wiley.com/doi/10./jofo.12207/abstract>

The pull of the Central Flyway? Veeries breeding in western Canada migrate 
using an ancestral eastern 
route<http://onlinelibrary.wiley.com/doi/10./jofo.12207/abstract>
onlinelibrary.wiley.com
enesUnderstanding non‐breeding season movements and identifying wintering areas 
of different populations of migratory birds is important for establishing 
patterns of migratory connectivity over the annual...






http://www.bioone.org/doi/abs/10.1642/AUK-14-260.1

[http://www.bioone.org/na101/home/literatum/publisher/bioone/journals/content/tauk/2015/00048038-132.3/00048038-132.3/20150722-01/00048038-132.3.cover.jpg]<http://www.bioone.org/doi/abs/10.1642/AUK-14-260.1>

The Auk - BioOne<http://www.bioone.org/doi/abs/10.1642/AUK-14-260.1>
www.bioone.org
ABSTRACT We investigated movements of a western population of Veeries (Catharus 
fuscescens) breeding in the Okanagan region of British Columbia, Canada, in 
2013 ...


C. Heckscher



From: bounce-2412563-53236...@mm.list.cornell.edu 
 on behalf of Nathan Hentze 

Sent: Thursday, November 9, 2017 5:14:12 PM
To: Night Flight Call Discussions
Subject: Re: [nfc-l] Gray-cheeked thrush?

Hello Christopher and all,

I am unfamiliar with a study from British Columbia tracking Gray-cheeked Thrush 
(but I would be happy to be directed to any such studies). There was a study 
that compared migration routes of different Swainson's Thrush populations from 
BC, and that might be what is being referred to here? That article can be found 
online at:

http://rspb.royalsocietypublishing.org/content/early/2012/09/14/rspb.2012.1229

Gray-cheeked Thrush has been known to occur relatively far south in western BC, 
as well as on the west side of the Rockies (see 
http://www.birdatlas.bc.ca/accounts/speciesaccount.jsp?sp=GCTH&lang=en) so it 
wouldn't at all surprise me if some of these birds migrate on the west side of 
"the divide". Regardless, it's cool to see new records of birds for regions 
from NFC detections.

Nathan Hentze,
Victoria, BC




From: bounce-2412475-53236...@mm.list.cornell.edu 
 on behalf of Christopher 
Heckscher 
Sent: Thursday, November 9, 2017 6:37 AM
To: NFC-L
Cc: Carrie Voss; Kate Stone
Subject: Re: [nfc-l] Gray-cheeked thrush?


I agree with Ken this is definitely a Gray-cheeked Thrush. Interestingly, GCTH 
tracked from breeding grounds in western British Columbia via geolocators and 
GPS units show routes eastward across Montana prior to moving south toward the 
Gulf of Mexico.

Christopher Heckscher




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Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Nathan Hentze 
Hello Christopher and all,

I am unfamiliar with a study from British Columbia tracking Gray-cheeked Thrush 
(but I would be happy to be directed to any such studies). There was a study 
that compared migration routes of different Swainson's Thrush populations from 
BC, and that might be what is being referred to here? That article can be found 
online at:

http://rspb.royalsocietypublishing.org/content/early/2012/09/14/rspb.2012.1229

Gray-cheeked Thrush has been known to occur relatively far south in western BC, 
as well as on the west side of the Rockies (see 
http://www.birdatlas.bc.ca/accounts/speciesaccount.jsp?sp=GCTH&lang=en) so it 
wouldn't at all surprise me if some of these birds migrate on the west side of 
"the divide". Regardless, it's cool to see new records of birds for regions 
from NFC detections.

Nathan Hentze,
Victoria, BC




From: bounce-2412475-53236...@mm.list.cornell.edu 
 on behalf of Christopher 
Heckscher 
Sent: Thursday, November 9, 2017 6:37 AM
To: NFC-L
Cc: Carrie Voss; Kate Stone
Subject: Re: [nfc-l] Gray-cheeked thrush?


I agree with Ken this is definitely a Gray-cheeked Thrush. Interestingly, GCTH 
tracked from breeding grounds in western British Columbia via geolocators and 
GPS units show routes eastward across Montana prior to moving south toward the 
Gulf of Mexico.

Christopher Heckscher




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Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Debbie Leick 
That's really exciting Christopher! Is this your study or in the literature? 
I'd like to reference it.



 From:   Christopher Heckscher  
 To:   NFC-L  
 Cc:   Carrie Voss , Kate Stone  
 Sent:   11/9/2017 7:37 AM 
 Subject:   Re: [nfc-l] Gray-cheeked thrush? 


 
 
 
 I agree with Ken this is definitely a Gray-cheeked Thrush. Interestingly, GCTH 
tracked from breeding grounds in western British Columbia via geolocators and 
GPS units show routes eastward across Montana prior to moving south toward the 
Gulf of Mexico. 

 Christopher Heckscher 
 

 
 
 
 
 
 

 

 
From: bounce-2412307-53236...@mm.list.cornell.edu 
 on behalf of Kenneth V. Rosenberg 

 Sent: Thursday, November 9, 2017 12:09:59 AM
 To: NFC-L
 Cc: Carrie Voss; Kate Stone
 Subject: Re: [nfc-l] Gray-cheeked thrush? 
  
 
Pretty definitely a Gray-cheeked Thrush. I just heard many in Panamá after 
hearing them in NY earlier in the fall. Will be interesting to see how this is 
treated by the records Committees.  

 
Ken
 
 Sent from my iPhone 

 On Nov 8, 2017, at 7:08 PM, Ted Floyd  wrote:
 
 
 
Sure looks (and sounds) like it to me. I think you can even rule out 
Bicknell's, haha. 

 
As you say, it is exciting. This brings up something I've been meaning to 
propose: Given how many Gray-cheeked and Swainson's thrushes are actually seen 
in Britain, it occurs to me that it might be cool to put up a detector on the 
Isles of Scilly pointing  out toward the ocean. Especially near a light, if 
there is one. We all know the truism that you can hear more Gray-cheeks in an 
hour than you might see in a lifetime. If that applies to thrushes excitedly 
approaching the British Isles, imagine how many thrushes  you might detect that 
way. 

 
Best, --Ted 

 
Ted Floyd 
Lafayette, Boulder County, Colorado 

 
 
 
 
 
 
=== 

 Ted Floyd 
Editor, Birding magazine 
Managing Editor, North American Birds 

 
Website: http://aba.org/birding 
Twitter: http://twitter.com/BirdingMagazine 
The ABA Blog: http://blog.aba.org/ 
 
On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick   wrote:
 
Hey folks, 
Could this be anything other than a Gray-cheeked Thrush? We get many Swainson's 
Thrush but this is so different. Recorded in Victor, MT, 9/14/17, ~5:45am. It 
would be a first for us since we began monitoring in 2012. Also, I could not 
find any records  of GCTH west of the Montana continental divide in either 
eBird or the MT Natural Heritage Program database. So if it is, a very exciting 
record for us! 
Thanks in advance for any guidance! 
Debbie  

 
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Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Debbie Leick 
Ken, my boss, Kate Stone, is on the MT Bird Records Committee. We couldn't ask 
for a better NFC advocate!
Ted, thanks for the shout out in the ABA blog. Just to clarify that Carrie Voss 
initially spotted this call. She is processing and reviewing data from our 25+ 
microphone array we installed this fall. I think we're up to 7-8 TB of 
recordings! More info about our project here: 
https://www.mpgranch.com/research/nocturnal-flight-call-monitoring-update
Thanks everyone for the input and discussion.



 From:   Kenneth V. Rosenberg  
 To:   NFC-L  
 Cc:   Carrie Voss , Kate Stone  
 Sent:   11/8/2017 7:09 PM 
 Subject:   Re: [nfc-l] Gray-cheeked thrush? 

 
Pretty definitely a Gray-cheeked Thrush. I just heard many in Panamá after 
hearing them in NY earlier in the fall. Will be interesting to see how this is 
treated by the records Committees.  

 
Ken
 
 Sent from my iPhone 

 On Nov 8, 2017, at 7:08 PM, Ted Floyd  wrote:
 
 
 
Sure looks (and sounds) like it to me. I think you can even rule out 
Bicknell's, haha. 

 
As you say, it is exciting. This brings up something I've been meaning to 
propose: Given how many Gray-cheeked and Swainson's thrushes are actually seen 
in Britain, it occurs to me that it might be cool to put up a detector on the 
Isles of Scilly pointing  out toward the ocean. Especially near a light, if 
there is one. We all know the truism that you can hear more Gray-cheeks in an 
hour than you might see in a lifetime. If that applies to thrushes excitedly 
approaching the British Isles, imagine how many thrushes  you might detect that 
way. 

 
Best, --Ted 

 
Ted Floyd 
Lafayette, Boulder County, Colorado 

 
 
 
 
 
 
=== 

 Ted Floyd 
Editor, Birding magazine 
Managing Editor, North American Birds 

 
Website: http://aba.org/birding 
Twitter: http://twitter.com/BirdingMagazine 
The ABA Blog: http://blog.aba.org/ 
 
On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick   wrote:
 
Hey folks, 
Could this be anything other than a Gray-cheeked Thrush? We get many Swainson's 
Thrush but this is so different. Recorded in Victor, MT, 9/14/17, ~5:45am. It 
would be a first for us since we began monitoring in 2012. Also, I could not 
find any records  of GCTH west of the Montana continental divide in either 
eBird or the MT Natural Heritage Program database. So if it is, a very exciting 
record for us! 
Thanks in advance for any guidance! 
Debbie  

 
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Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Ted Floyd 
Hey, all.

Here's a little ditty, posted this morning to The ABA Blog, on Debbie
Leick's Gray-cheeked Thrush in Montana, USA. Also, the broader story of the
online version of Flight Calls of Migratory Birds. Here:

http://blog.aba.org/2017/11/nocturnal-flight-calls-online.html

Ted Floyd
Lafayette, Boulder County, Colorado, USA

===

Ted Floyd
Editor, *Birding* magazine
Managing Editor, *North American Birds*

Website: http://aba.org/birding
Twitter: http://twitter.com/BirdingMagazine

The ABA Blog: http://blog.aba.org/

On Wed, Nov 8, 2017 at 7:09 PM, Kenneth V. Rosenberg 
wrote:

> Pretty definitely a Gray-cheeked Thrush. I just heard many in Panamá after
> hearing them in NY earlier in the fall. Will be interesting to see how this
> is treated by the records Committees.
>
> Ken
>
> Sent from my iPhone
>
> On Nov 8, 2017, at 7:08 PM, Ted Floyd  wrote:
>
> Sure looks (and sounds) like it to me. I think you can even rule out
> Bicknell's, haha.
>
> As you say, it is exciting. This brings up something I've been meaning to
> propose: Given how many Gray-cheeked and Swainson's thrushes are actually
> seen in Britain, it occurs to me that it might be cool to put up a detector
> on the Isles of Scilly pointing out toward the ocean. Especially near a
> light, if there is one. We all know the truism that you can hear more
> Gray-cheeks in an hour than you might see in a lifetime. If that applies to
> thrushes excitedly approaching the British Isles, imagine how many thrushes
> you might detect that way.
>
> Best, --Ted
>
> Ted Floyd
> Lafayette, Boulder County, Colorado
>
> ===
>
> Ted Floyd
> Editor, *Birding* magazine
> Managing Editor, *North American Birds*
>
> Website: http://aba.org/birding
> Twitter: http://twitter.com/BirdingMagazine
> 
> The ABA Blog: http://blog.aba.org/
>
> On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick  wrote:
>
>> Hey folks,
>> Could this be anything other than a Gray-cheeked Thrush? We get many
>> Swainson's Thrush but this is so different. Recorded in Victor, MT,
>> 9/14/17, ~5:45am. It would be a first for us since we began monitoring in
>> 2012. Also, I could not find any records of GCTH west of the Montana
>> continental divide in either eBird or the MT Natural Heritage Program
>> database. So if it is, a very exciting record for us!
>> Thanks in advance for any guidance!
>> Debbie
>>
>> --
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>> Welcome and Basics 
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>> *Archives:*
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>> 
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>> !*
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Re: [nfc-l] Gray-cheeked thrush?

2017-11-09 Thread Christopher Heckscher 
I agree with Ken this is definitely a Gray-cheeked Thrush. Interestingly, GCTH 
tracked from breeding grounds in western British Columbia via geolocators and 
GPS units show routes eastward across Montana prior to moving south toward the 
Gulf of Mexico.

Christopher Heckscher



From: bounce-2412307-53236...@mm.list.cornell.edu 
 on behalf of Kenneth V. Rosenberg 

Sent: Thursday, November 9, 2017 12:09:59 AM
To: NFC-L
Cc: Carrie Voss; Kate Stone
Subject: Re: [nfc-l] Gray-cheeked thrush?

Pretty definitely a Gray-cheeked Thrush. I just heard many in Panamá after 
hearing them in NY earlier in the fall. Will be interesting to see how this is 
treated by the records Committees.

Ken

Sent from my iPhone

On Nov 8, 2017, at 7:08 PM, Ted Floyd mailto:tfl...@aba.org>> 
wrote:

Sure looks (and sounds) like it to me. I think you can even rule out 
Bicknell's, haha.

As you say, it is exciting. This brings up something I've been meaning to 
propose: Given how many Gray-cheeked and Swainson's thrushes are actually seen 
in Britain, it occurs to me that it might be cool to put up a detector on the 
Isles of Scilly pointing out toward the ocean. Especially near a light, if 
there is one. We all know the truism that you can hear more Gray-cheeks in an 
hour than you might see in a lifetime. If that applies to thrushes excitedly 
approaching the British Isles, imagine how many thrushes you might detect that 
way.

Best, --Ted

Ted Floyd
Lafayette, Boulder County, Colorado

===

Ted Floyd
Editor, Birding magazine
Managing Editor, North American Birds

Website: http://aba.org/birding
Twitter: http://twitter.com/BirdingMagazine<https://twitter.com/BirdingMagazine>
The ABA Blog: http://blog.aba.org/<http://blog.aba.org>

On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick 
mailto:dle...@mpgranch.com>> wrote:
Hey folks,
Could this be anything other than a Gray-cheeked Thrush? We get many Swainson's 
Thrush but this is so different. Recorded in Victor, MT, 9/14/17, ~5:45am. It 
would be a first for us since we began monitoring in 2012. Also, I could not 
find any records of GCTH west of the Montana continental divide in either eBird 
or the MT Natural Heritage Program database. So if it is, a very exciting 
record for us!
Thanks in advance for any guidance!
Debbie

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Re: [nfc-l] Gray-cheeked thrush?

2017-11-08 Thread Kenneth V. Rosenberg 
Pretty definitely a Gray-cheeked Thrush. I just heard many in Panamá after 
hearing them in NY earlier in the fall. Will be interesting to see how this is 
treated by the records Committees.

Ken

Sent from my iPhone

On Nov 8, 2017, at 7:08 PM, Ted Floyd mailto:tfl...@aba.org>> 
wrote:

Sure looks (and sounds) like it to me. I think you can even rule out 
Bicknell's, haha.

As you say, it is exciting. This brings up something I've been meaning to 
propose: Given how many Gray-cheeked and Swainson's thrushes are actually seen 
in Britain, it occurs to me that it might be cool to put up a detector on the 
Isles of Scilly pointing out toward the ocean. Especially near a light, if 
there is one. We all know the truism that you can hear more Gray-cheeks in an 
hour than you might see in a lifetime. If that applies to thrushes excitedly 
approaching the British Isles, imagine how many thrushes you might detect that 
way.

Best, --Ted

Ted Floyd
Lafayette, Boulder County, Colorado

===

Ted Floyd
Editor, Birding magazine
Managing Editor, North American Birds

Website: http://aba.org/birding
Twitter: http://twitter.com/BirdingMagazine
The ABA Blog: http://blog.aba.org/

On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick 
mailto:dle...@mpgranch.com>> wrote:
Hey folks,
Could this be anything other than a Gray-cheeked Thrush? We get many Swainson's 
Thrush but this is so different. Recorded in Victor, MT, 9/14/17, ~5:45am. It 
would be a first for us since we began monitoring in 2012. Also, I could not 
find any records of GCTH west of the Montana continental divide in either eBird 
or the MT Natural Heritage Program database. So if it is, a very exciting 
record for us!
Thanks in advance for any guidance!
Debbie

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Re: [nfc-l] Gray-cheeked thrush?

2017-11-08 Thread Ted Floyd 
Sure looks (and sounds) like it to me. I think you can even rule out
Bicknell's, haha.

As you say, it is exciting. This brings up something I've been meaning to
propose: Given how many Gray-cheeked and Swainson's thrushes are actually
seen in Britain, it occurs to me that it might be cool to put up a detector
on the Isles of Scilly pointing out toward the ocean. Especially near a
light, if there is one. We all know the truism that you can hear more
Gray-cheeks in an hour than you might see in a lifetime. If that applies to
thrushes excitedly approaching the British Isles, imagine how many thrushes
you might detect that way.

Best, --Ted

Ted Floyd
Lafayette, Boulder County, Colorado

===

Ted Floyd
Editor, *Birding* magazine
Managing Editor, *North American Birds*

Website: http://aba.org/birding
Twitter: http://twitter.com/BirdingMagazine

The ABA Blog: http://blog.aba.org/

On Wed, Nov 8, 2017 at 3:09 PM, Debbie Leick  wrote:

> Hey folks,
> Could this be anything other than a Gray-cheeked Thrush? We get many
> Swainson's Thrush but this is so different. Recorded in Victor, MT,
> 9/14/17, ~5:45am. It would be a first for us since we began monitoring in
> 2012. Also, I could not find any records of GCTH west of the Montana
> continental divide in either eBird or the MT Natural Heritage Program
> database. So if it is, a very exciting record for us!
> Thanks in advance for any guidance!
> Debbie
>
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Re: [nfc-l] Gray-cheeked Thrush Examples

2012-10-05 Thread Linda Orkin 
Thanks Chris. I also really enjoy these calls that you have definitively 
identified. Is the difference in amplitude between the two calls a function of 
the birds' altitudes?

Linda Orkin. 

Sent from my iPhone

On Oct 4, 2012, at 1:40 PM, "Christopher T. Tessaglia-Hymes"  
wrote:

> For those interested, here are some examples of typical Gray-cheeked Thrush 
> night flight calls from some recent nights over Etna, NY.
> 
> Sincerely,
> Chris T-H
> 
> --
> Christopher T. Tessaglia-Hymes
> Field Applications Engineer
> Bioacoustics Research Program, Cornell Lab of Ornithology
> 159 Sapsucker Woods Road, Ithaca, New York 14850
> W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
> http://www.birds.cornell.edu/brp
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Re: [nfc-l] Gray-cheeked Thrush Examples

2012-10-05 Thread Andrew Albright 
I found that during good thrush nights there were some time periods when it
seemed that flocks of Swainson's or Grey-Cheeked would come through
together:

I think that most of these are Grey Cheeked:
http://soundcloud.com/user3781125/ws502090-cutdown4-grey-cheeked

I think that most of these are Swainson's  -
http://soundcloud.com/user3781125/ws502090-cutdown3
note - this was in the middle of the night and the calls are high
and relatively faint so you need to turn the volume all the way up...but
they are audible with earphones plugged into the computer.



On Fri, Oct 5, 2012 at 8:54 AM, Laurent Fournier
wrote:

> I second Laura. The old bird website has tons of warblers and sparrows
> NFC, but I would love to have more thrushes NFC.
>
> Swaisson, Wood, Veery, Hermit Thrush, anyone?
>
>
>
> Laurent
>
>
>
> On Thu, Oct 4, 2012 at 4:08 PM, Laura Gooch  wrote:
>
>>   Chris,
>>
>> Thanks! This kind of thing is very useful to those of us on the lower
>> reaches of the learning curve.
>>
>> Laura
>>
>> --- On *Thu, 10/4/12, Christopher T. Tessaglia-Hymes 
>> *wrote:
>>
>>
>> From: Christopher T. Tessaglia-Hymes 
>> Subject: [nfc-l] Gray-cheeked Thrush Examples
>> To: "NFC-L" 
>> Date: Thursday, October 4, 2012, 1:40 PM
>>
>>  For those interested, here are some examples of typical Gray-cheeked
>> Thrush night flight calls from some recent nights over Etna, NY.
>>
>> Sincerely,
>> Chris T-H
>>
>>   --
>> Christopher T. Tessaglia-Hymes
>> Field Applications Engineer
>> Bioacoustics Research Program, Cornell Lab of Ornithology
>> 159 Sapsucker Woods Road, Ithaca, New York 14850
>> W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
>> http://www.birds.cornell.edu/brp
>> --
>> *NFC-L List Info:*
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Re: [nfc-l] Gray-cheeked Thrush Examples

2012-10-05 Thread Laurent Fournier 
I second Laura. The old bird website has tons of warblers and sparrows NFC,
but I would love to have more thrushes NFC.

Swaisson, Wood, Veery, Hermit Thrush, anyone?



Laurent


On Thu, Oct 4, 2012 at 4:08 PM, Laura Gooch  wrote:

> Chris,
>
> Thanks! This kind of thing is very useful to those of us on the lower
> reaches of the learning curve.
>
> Laura
>
> --- On *Thu, 10/4/12, Christopher T. Tessaglia-Hymes *wrote:
>
>
> From: Christopher T. Tessaglia-Hymes 
> Subject: [nfc-l] Gray-cheeked Thrush Examples
> To: "NFC-L" 
> Date: Thursday, October 4, 2012, 1:40 PM
>
>  For those interested, here are some examples of typical Gray-cheeked
> Thrush night flight calls from some recent nights over Etna, NY.
>
>  Sincerely,
> Chris T-H
>
>   --
>  Christopher T. Tessaglia-Hymes
>  Field Applications Engineer
>  Bioacoustics Research Program, Cornell Lab of Ornithology
>  159 Sapsucker Woods Road, Ithaca, New York 14850
>  W: 607-254-2418   M: 607-351-5740   F: 607-254-1132
>  http://www.birds.cornell.edu/brp
>   --
> *NFC-L List Info:*
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Re: [nfc-l] Gray-cheeked Thrush Examples

2012-10-04 Thread Laura Gooch 
Chris,

Thanks! This kind of thing is very useful to those of us on the lower reaches 
of the learning curve.

Laura

--- On Thu, 10/4/12, Christopher T. Tessaglia-Hymes  wrote:

From: Christopher T. Tessaglia-Hymes 
Subject: [nfc-l] Gray-cheeked Thrush Examples
To: "NFC-L" 
Date: Thursday, October 4, 2012, 1:40 PM



 


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



Sincerely,
Chris T-H






-- 

Christopher T. Tessaglia-Hymes 

Field Applications Engineer 

Bioacoustics Research Program, Cornell Lab of Ornithology 

159 Sapsucker Woods Road, Ithaca, New York 14850 

W: 607-254-2418   M: 607-351-5740   F: 607-254-1132 

http://www.birds.cornell.edu/brp





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