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ID-FRONTIERS for January 21-27, 2007
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Messages are displayed in the order they were received.
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| Subject | From | Date | Time |
| Newfoundland Gull Photos | Jean Iron | Mon, 22 Jan 2007 | 1:11pm |
| Gulls + Gulls + Gulls | Alan Wormington | Mon, 22 Jan 2007 | 1:36pm |
| Re: Gulls + Gulls + Gulls | rsheil | Mon, 22 Jan 2007 | 4:32pm |
| Re: Gulls + Gulls + Gulls | =?windows-1252?Q?Rob | Tue, 23 Jan 2007 | 3:45pm |
| Gulls + Gulls + Gulls | Gary L Felton | Tue, 23 Jan 2007 | 5:03pm |
| Re: Gulls + Gulls + Gulls | Phil Davis | Tue, 23 Jan 2007 | 6:07pm |
| Re: Gulls + Gulls + Gulls | Geoffrey A. Williams | Tue, 23 Jan 2007 | 9:11pm |
| Possible Garganey in Idaho | Cliff and Lisa Weiss | Wed, 24 Jan 2007 | 7:02am |
| Listowner Message | will russell | Wed, 24 Jan 2007 | 7:58am |
| Birding 30:45, TOWA? | sgmlod(AT)AOL.COM | Wed, 24 Jan 2007 | 8:50am |
| Re: Birding 30:45, TOWA? | John Idzikowski | Wed, 24 Jan 2007 | 9:23am |
| Indiana jaeger | Jim Hengeveld | Wed, 24 Jan 2007 | 10:52am |
| Re: Indiana jaeger | julian hough | Wed, 24 Jan 2007 | 1:56pm |
| Strange Mew? Gull | David Vander Pluym | Wed, 24 Jan 2007 | 4:07pm |
| Plegadis Eye Color | Brian Monk | Wed, 24 Jan 2007 | 7:44pm |
| Re: Birding 30:45, TOWA? | gdentremont(AT)JUNO.COM | Wed, 24 Jan 2007 | 8:29pm |
| Re: Birding 30:45, TOWA? | SGMlod(AT)AOL.COM | Wed, 24 Jan 2007 | 9:23pm |
| Re: Birding 30:45, TOWA? | Giff Beaton | Sat, 27 Jan 2007 | 7:34pm |
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To use email addresses replace '(AT)' with '@'.
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[ << | >> | ^^ ]
Subject: Newfoundland Gull Photos
From: Jean Iron <jeaniron(AT)SYMPATICO.CA>
Date: 22 Jan 2007 1:11pm
We just returned from six days of gull watching in St. John's,
Newfoundland. St. John's is the most easterly city in North America
and its gulls are distinctly Arctic and European. Jean has posted six
pages of photos on her website. See link below. We welcome comments
on identifications and aging. Every gull enthusiast should make a
trip to St. John's in January. The best gull locations are inside the
city limits. There are several Tim Hortons (a favorite of birders in
Canada) in St. John's serving hot coffee and quick tasty lunches
close to the gulls. We thank Bruce Mactavish, Jared Clarke, Ken
Knowles and Paul Linegar, all of St. John's, who were very helpful
during our stay.
See http://www.jeaniron.ca/Trips/Newfoundland2007/index.htm
Ron Pittaway & Jean Iron
Toronto, Ontario
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Subject: Gulls + Gulls + Gulls
From: Alan Wormington <wormington(AT)JUNO.COM>
Date: 22 Jan 2007 1:36pm
Everyone,
Some time ago I did a post requesting information on how many gull
species had been recorded at a single location, and how many of those
species might have been found during a single year.
I received some response to these questions, and the results are listed
below. My initial reason for the request was because 18 gull species
were found at Point Pelee during 2006. I was fortunate to see all 18
species and I am in the process of writing an article about Point Pelee
gulls to appear in the next issue of OFO News (Ontario Field
Ornithologists).
If anyone can add to this tabulation, please do so. Surely somewhere in
Europe or Asia there must be localities that have recorded a diverse list
of gull species?
Point Pelee Birding Area (CBC circle), Ontario, Canada (per Alan
Wormington):
-- 19 species total / 18 species in 2006
Niagara River, Ontario / New York, Canada / USA (per Willie D'Anna):
-- 19 species total / 16 species in 1995
-- Note: although the Niagara River is a large area, the 19 species
total have occurred within an area the size of a standard CBC circle.
St. John's, Newfoundland, Canada (per Bruce Mactavish):
-- 19 species total / 15 species in 2006 ("probably the best year total")
Hamilton (CBC circle), Ontario, Canada (per "Birds of Hamilton" 2006):
-- 18 species total / highest annual total not known
Moss Landing, California, USA (per Don Roberson):
-- 18 species total / "no more than 15 species in any one year"
Monterey Peninsula (CBC circle), California, USA (per Don Roberson):
-- 17 species total / "no more than 14 or 15 species in any one year"
Lake McConaughy, Nebraska, USA (per Ross Silcock):
-- 17 species total / 15 species in 2003
Lorain Harbor, Ohio, USA (per John Pogacnik):
-- 16 species total / 16 species in 1980
Should the Niagara River retain the title of "Gull Capitol of the World?"
Hard to say. But there are still a few species that may yet occur at
Point Pelee in the future. These include Black-tailed Gull, Heermann's
Gull and Glaucous-winged Gull, amongst others.
Cheers,
Alan Wormington
Leamington, Ontario
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Subject: Re: Gulls + Gulls + Gulls
From: rsheil <rsheil(AT)JUNO.COM>
Date: 22 Jan 2007 4:32pm
Newburyport, Massachusetts has had 18 gull species:
Laughing
Franklin's
Little
Black-headed
Bonaparte's
Common (Mew)
Ring-billed
California
Herring
Thayer's
Iceland (actually... Kumlien's)
Lesser Black-backed
Glaucous
Great Black-backed
Sabine's
Black-legged Kittiwake
THE Ross's
Ivory
Richard S. Heil
S. Peabody, MA
rsheil(AT)juno.com
----- Original Message -----
From: "Alan Wormington" <wormington(AT)JUNO.COM>
To: <BIRDWG01(AT)LISTSERV.ARIZONA.EDU>
Sent: Monday, January 22, 2007 3:35 PM
Subject: [BIRDWG01] Gulls + Gulls + Gulls
> Everyone,
>
> Some time ago I did a post requesting information on how many gull
> species had been recorded at a single location, and how many of those
> species might have been found during a single year.
>
> I received some response to these questions, and the results are listed
> below. My initial reason for the request was because 18 gull species
> were found at Point Pelee during 2006. I was fortunate to see all 18
> species and I am in the process of writing an article about Point Pelee
> gulls to appear in the next issue of OFO News (Ontario Field
> Ornithologists).
>
> If anyone can add to this tabulation, please do so. Surely somewhere in
> Europe or Asia there must be localities that have recorded a diverse list
> of gull species?
>
> Point Pelee Birding Area (CBC circle), Ontario, Canada (per Alan
> Wormington):
> -- 19 species total / 18 species in 2006
>
> Niagara River, Ontario / New York, Canada / USA (per Willie D'Anna):
> -- 19 species total / 16 species in 1995
> -- Note: although the Niagara River is a large area, the 19 species
> total have occurred within an area the size of a standard CBC circle.
>
> St. John's, Newfoundland, Canada (per Bruce Mactavish):
> -- 19 species total / 15 species in 2006 ("probably the best year total")
>
> Hamilton (CBC circle), Ontario, Canada (per "Birds of Hamilton" 2006):
> -- 18 species total / highest annual total not known
>
> Moss Landing, California, USA (per Don Roberson):
> -- 18 species total / "no more than 15 species in any one year"
>
> Monterey Peninsula (CBC circle), California, USA (per Don Roberson):
> -- 17 species total / "no more than 14 or 15 species in any one year"
>
> Lake McConaughy, Nebraska, USA (per Ross Silcock):
> -- 17 species total / 15 species in 2003
>
> Lorain Harbor, Ohio, USA (per John Pogacnik):
> -- 16 species total / 16 species in 1980
>
>
> Should the Niagara River retain the title of "Gull Capitol of the World?"
> Hard to say. But there are still a few species that may yet occur at
> Point Pelee in the future. These include Black-tailed Gull, Heermann's
> Gull and Glaucous-winged Gull, amongst others.
>
> Cheers,
>
> Alan Wormington
> Leamington, Ontario
>
>
> Join or Leave BIRDWG01:
http://listserv.arizona.edu/cgi-bin/wa?SUBED1=birdwg01
>
> Archives: http://listserv.arizona.edu/archives/birdwg01.html
>
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Subject: Re: Gulls + Gulls + Gulls
From: =?windows-1252?Q?Rob_Parsons?= <rparsons(AT)ICENTER.NET>
Date: 23 Jan 2007 3:45pm
Hi all,
Cape Merry at Churchill, Manitoba has recorded 20 species of gulls:
Laughing, Franklin's, Little, Black-headed, Bonaparte's, Black-tailed,
Mew, Ring-billed, California, Herring, Thayer's, Iceland, Lesser Black-
backed, Glaucous-winged, Glaucous, Great Black-backed, Sabine's, Black-
legged Kittiwake, Ross's & Ivory.
I'm not sure how many of these have been recorded in a single year. The
Black-tailed was recorded for the first time in 2006. As far as I know,
there are only two records of Glaucous-winged--specimens collected in 1964
& 1965. At least one of them was identified as a Thayer's before its
collection, and only identified correctly as a specimen some time
afterward.
Cheers,
Rob Parsons
Winnipeg, MB
CANADA
rparsons(AT)icenter.net
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Subject: Gulls + Gulls + Gulls
From: Gary L Felton <gljeinwv(AT)JUNO.COM>
Date: 23 Jan 2007 5:03pm
Anyone happen to know the total from Conowingo Dam?
Gary Felton
Kingwood, WV
On Tue, 23 Jan 2007 15:45:50 -0700 =?windows-1252?Q?Rob_Parsons?=
<rparsons(AT)ICENTER.NET> writes:
> Hi all,
>
> Cape Merry at Churchill, Manitoba has recorded 20 species of gulls:
> Laughing, Franklin's, Little, Black-headed, Bonaparte's,
> Black-tailed,
> Mew, Ring-billed, California, Herring, Thayer's, Iceland, Lesser
> Black-
> backed, Glaucous-winged, Glaucous, Great Black-backed, Sabine's,
> Black-
> legged Kittiwake, Ross's & Ivory.
>
> I'm not sure how many of these have been recorded in a single year.
> The
> Black-tailed was recorded for the first time in 2006. As far as I
> know,
> there are only two records of Glaucous-winged--specimens collected
> in 1964
> & 1965. At least one of them was identified as a Thayer's before
> its
> collection, and only identified correctly as a specimen some time
> afterward.
>
> Cheers,
>
> Rob Parsons
> Winnipeg, MB
> CANADA
> rparsons(AT)icenter.net
>
>
> Join or Leave BIRDWG01:
> http://listserv.arizona.edu/cgi-bin/wa?SUBED1=birdwg01
>
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>
>
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Subject: Re: Gulls + Gulls + Gulls
From: Phil Davis <pdavis(AT)IX.NETCOM.COM>
Date: 23 Jan 2007 6:07pm
At 19:02 01/23/2007, Gary L Felton wrote:
>Anyone happen to know the total from Conowingo Dam?
Hi Gary:
The answer is 17. The following message from Gene Scarpulla address
your question ...
Phil
>Date: Sun, 1 Oct 2006 20:00:02 -0400
>From: "Eugene J. Scarpulla" <ejscarp(AT)COMCAST.NET>
>Subject: [MDOSPREY] Conowingo Sabine's Gull
>To: MDOSPREY(AT)HOME.EASE.LSOFT.COM
(snip)
This makes the 17th gull species that has been observed at
Conowingo. The list includes: Laughing, Franklin's, Little,
Black-headed, Bonaparte's, Common (Mew), Ring-billed, California,
Herring, Thayer's, Iceland, Lesser Black-backed, Slaty-backed,
Glaucous, Great Black-backed, Sabine's, and Black-legged
Kittiwake. I have been fortunate enough to have seen all of these
species there. Unfortunately my fellow Conowingo gull fanatic, Rick
Blom, is no longer with us to have seen this one. I am sure that Les
Eastman would share my sentiments, wishing --- "Rick, this one's for you!"
==================================
Phil Davis Davidsonville, Maryland USA
mailto:PDavis(AT)ix.netcom.com
==================================
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Subject: Re: Gulls + Gulls + Gulls
From: "Geoffrey A. Williamson" <geoffrey.williamson(AT)COMCAST.NET>
Date: 23 Jan 2007 9:11pm
----INCLUDING text/plain MIME SECTION----
The list of gulls seen in the city of Chicago, Illinois is 21 species:
Laughing Gull
Franklin's Gull
Little Gull
Black-headed Gull
Bonaparte's Gull
Black-tailed Gull
Mew Gull
Ring-billed Gull
California Gull
Herring Gull
Thayer's Gull
Iceland Gull
Lesser Black-backed Gull
Western Gull
Glaucous-winged Gull
Glaucous Gull
Great Black-backed Gull
Sabine's Gull
Black-legged Kittiwake
Ross's Gull
Ivory Gull
Within the city is Lincoln Park, about 1200 acres in land area, where
the list reduces to 19 species. It might be 20, but I'm not sure if
any of the 3+ Chicago records of Black-headed Gull were seen in/from
the park. The other one knocked off the list is Glaucous-winged
Gull, making it
Laughing Gull
Franklin's Gull
Little Gull
Bonaparte's Gull
Black-tailed Gull
Mew Gull
Ring-billed Gull
California Gull
Herring Gull
Thayer's Gull
Iceland Gull
Lesser Black-backed Gull
Western Gull
Glaucous Gull
Great Black-backed Gull
Sabine's Gull
Black-legged Kittiwake
Ross's Gull
Ivory Gull
Reducing further to just Montrose Point inside of Lincoln Park, a
nice birding area of no more than 360 acres (I'm overestimating this
I'm sure), there have been 17 species of gulls after Western Gull and
Ross's Gull are taken off:
Laughing Gull
Franklin's Gull
Little Gull
Bonaparte's Gull
Black-tailed Gull
Mew Gull
Ring-billed Gull
California Gull
Herring Gull
Thayer's Gull
Iceland Gull
Glaucous Gull
Lesser Black-backed Gull
Great Black-backed Gull
Black-legged Kittiwake
Sabine's Gull
Ivory Gull
Hopefully this winter (or sometime reasonably soon) we'll add
Slaty-backed Gull to the list.
Sincerely,
Geoff Williamson
Chicago, IL
--
Geoffrey A. Williamson
geoffrey.williamson(AT)comcast.net
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Subject: Possible Garganey in Idaho
From: Cliff and Lisa Weisse <CliffandLisa(AT)OCTOBERSETTERS.COM>
Date: 24 Jan 2007 7:02am
A female duck was photographed in Idaho on 1/22/07 that has been
tentatively identified as a Garganey. I'd appreciate any comments on
the identity of this bird. Photos are posted at
http://www.majesticfeathers.com/birds/possgarganey/. Thanks in advance
for any help.
Cliff
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Subject: Listowner Message
From: will russell <willrussell(AT)COMCAST.NET>
Date: 24 Jan 2007 7:58am
This is a multi-part message in MIME format.
----INCLUDING text/plain MIME SECTION----
The recent run of gulls-gulls-gulls posts (and any similar series of posts)
should probably be routed to outlets other than ID-F. I realize that ID-F
is where those caught in the quagmire of large gulls come for commiseration
and I have accepted endless posts about larids for which we know in our core
there is, at this stage, little if any hope of resolution. I have done this
out of respect for the seriousness of many of the gull watchers.but I draw
the line at dueling regional gull lists.
However, it's fun for many and I have no objection to someone placing such a
question on ID-F (infrequently please.) and asking those responding to do so
directly to the poster who should in turn offer to inform all contributors
of the results.
Thanks.
Will Russell
ID-F Listowner
Will Russell
willrussell(AT)comcast.net
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Subject: Birding 30:45, TOWA?
From: sgmlod(AT)AOL.COM
Date: 24 Jan 2007 8:50am
----INCLUDING text/plain MIME SECTION----
Hello All
So, I was reading the La Nina article in Birding and came to the photo taken in
Sep in Chicago.
Before reading the caption, I thought, "A Townsend's Warbler."
Photographed in Chicago and ID'd as a BTGreen.
Hmmmm.
Maybe I am a doo-fuss (spell check that!)
Or maybe the photo is misleading (boy do I like to harp on that topic).
But the clear throat and central chest would make this bird an imm female if a
BTGreen. If a imm female BTGreen, it should have the least-dark cheek of any
plumage of BTGreen.
And this bird has, or appears to have, a totally solid dark auricular patch.
Also, the throat, chest, and upper belly appear moderately bright yellow (again,
photo artifact?). All of this points strongly to TOWA and argues strongly
against BTGreen Warbler.
Indeed, the only BTGreen mark I see is the apparently unstreaked back, but Dunn
and Garrett's fine warbler book illustrate at least one TOWA without streaks on
back and the imm female TOWA photo does not appear to have a streaked back, and
I remember (perhaps falsely) seeing TOWAs with unstreaked backs.
So, am I crazy, or is this a TOWA?
I guess both are possible as well.
Cheers
Steve Mlodinow
________________________________________________________________________
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Subject: Re: Birding 30:45, TOWA?
From: John Idzikowski <idzikoj(AT)UWM.EDU>
Date: 24 Jan 2007 9:23am
While I do not have access to the TOWA image in Birding, here is a probable imm.
female TOWA from last Oct. in Wisconsin, sixty
miles north of Chicago. Note the unstreaked back.
http://my.execpc.com/CE/5F/idzikoj/townsends/townsends.htm
John Idzikowski, Milwaukee
----- Original Message -----
From: sgmlod(AT)AOL.COM
To: BIRDWG01(AT)LISTSERV.ARIZONA.EDU
Sent: Wednesday, January 24, 2007 9:49 AM
Subject: [BIRDWG01] Birding 30:45, TOWA?
Hello All
So, I was reading the La Nina article in Birding and came to the photo taken in
Sep in Chicago.
Before reading the caption, I thought, "A Townsend's Warbler."
Photographed in Chicago and ID'd as a BTGreen.
Hmmmm.
Maybe I am a doo-fuss (spell check that!)
Or maybe the photo is misleading (boy do I like to harp on that topic).
But the clear throat and central chest would make this bird an imm female if a
BTGreen. If a imm female BTGreen, it should have the
least-dark cheek of any plumage of BTGreen.
And this bird has, or appears to have, a totally solid dark auricular patch.
Also, the throat, chest, and upper belly appear
moderately bright yellow (again, photo artifact?). All of this points strongly
to TOWA and argues strongly against BTGreen Warbler.
Indeed, the only BTGreen mark I see is the apparently unstreaked back, but Dunn
and Garrett's fine warbler book illustrate at least
one TOWA without streaks on back and the imm female TOWA photo does not appear
to have a streaked back, and I remember (perhaps
falsely) seeing TOWAs with unstreaked backs.
So, am I crazy, or is this a TOWA?
I guess both are possible as well.
Cheers
Steve Mlodinow
Check out the new AOL. Most comprehensive set of free safety and security tools,
free access to millions of high-quality videos from
across the web, free AOL Mail and more.
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Subject: Indiana jaeger
From: Jim Hengeveld <jhengeve(AT)INDIANA.EDU>
Date: 24 Jan 2007 10:52am
--Apple-Mail-89-227847665
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charset=US-ASCII;
delsp=yes;
format=flowed
On 28 Oct, 2006, a lakewatch at Miller Beach turned up 9+ Black-
legged Kittiwakes, all 3 scoter spp., and a couple of jaegers. A
juv. jaeger that was initially identified as a Parasitic in the field
was later id'd as a Long-tailed based on photos taken by Michael
Topp. These photos can be seen at: <http://tinyurl.com/2kzpkr>
Input on the ID of this bird would be appreciated.
Thank you,
........Jim
-------------------
James Hengeveld, PhD
Biology Dept. Jordan Hall A112
Indiana University 812: 855-5353
Bloomington, IN 47405 jhengeve(AT)indiana.edu
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Subject: Re: Indiana jaeger
From: julian hough <jrhough1(AT)SNET.NET>
Date: 24 Jan 2007 1:56pm
Jim,
I don't see anything in the photos that wouldn't make
it a Long-tailed.
But, as with previous experiences, judging plumage
tones from less than perfect shots (no disrespect) of
a difficult group of birds can be tough and can leave
egg on one's face.
Assuming the id. is correct, and in the absence of any
pro-Parasitic the pro-Long-tailed features seem to be:
- a long back end (from the base of the wings to the
tip of the tail)
- central tail feather projection looks blunt-ish, but
difficult to see for sure.
-outer primaries on upperwing seem to show restricted
white shafts to the outer primaries
-axillaries and undertailcoverts boldly barred
Cold greyish colouration and overall shape with
long-wings compared to the body seem to fit LTJA. The
extent of the white blaze on the underwing is rather
extensive for what is generally deemed 'acceptable'
for 'typical' LTJA, but I have seen photos of several
individuals that have a similar amount, so it doesn't
worry me.
Julian Hough,
CT, USA
--- Jim Hengeveld <jhengeve(AT)INDIANA.EDU> wrote:
> On 28 Oct, 2006, a lakewatch at Miller Beach turned
> up 9+ Black-
> legged Kittiwakes, all 3 scoter spp., and a couple
> of jaegers. A
> juv. jaeger that was initially identified as a
> Parasitic in the field
> was later id'd as a Long-tailed based on photos
> taken by Michael
> Topp. These photos can be seen at:
> <http://tinyurl.com/2kzpkr>
>
> Input on the ID of this bird would be appreciated.
>
> Thank you,
>
> ........Jim
>
>
>
> -------------------
> James Hengeveld, PhD
> Biology Dept. Jordan Hall
> A112
> Indiana University 812: 855-5353
> Bloomington, IN 47405 jhengeve(AT)indiana.edu
>
>
>
>
>
> Join or Leave BIRDWG01:
>
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>
>
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Subject: Strange Mew? Gull
From: David Vander Pluym <scre(AT)AOL.COM>
Date: 24 Jan 2007 4:07pm
----INCLUDING text/plain MIME SECTION----
On Jan 20, 2007 Oscar Johnson, Adam Searcy and I had a strange Mew Gull (with
about 30 more normal Mew Gulls) at Point Joe Monterey County, California. The
bird looked like a typical Mew (brachyrhynchus) in most respects, including wing
pattern (within variation of the birds present), mantle coloration, and
structure. The strange aspect was that it looked like it had a Ring-billed
Gulls head stuck on it. Photos are here.
http://www.flickr.com/photos/henicorhina/366584276/
There is another photo of it standing on the site as well. So far people have
suggested Strange Mew (L. [c] brachyrhynchus), Common Gull (L. canus
canus/heinei), Kamchatka Gull (L. [c.] kamtschatschensis), or a Ring-billed x
Mew Gull. For the hybird I would think more intermediate features would be
present and I would also have expected a darker mantle and larger structure for
Kamchatka Gull, but I have no first hand expirence with any of these other than
Mew. Comments are most welcome.
David Vander Pluym
Santa Cruz, California
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Subject: Plegadis Eye Color
From: Brian Monk <MonkDVM(AT)AOL.COM>
Date: 24 Jan 2007 7:44pm
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Do\es anyone know when the eye color changes in immature WFIB? I was under
the impression that these birds experienced a change in their first winter,
but I have been informed that this is wrong. Can I get some more input?
Thanks.
Brian Monk, DVM
Blu Llama Orchids, Inc.
Ft. Lauderdale, FL
"Remember, anyone can juggle for a second."
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Subject: Re: Birding 30:45, TOWA?
From: gdentremont(AT)JUNO.COM
Date: 24 Jan 2007 8:29pm
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To me this looks like a first fall male Black-throated Green. We see
several on migration here with little or no black on the throat. The
females have less black than this which is very obvious when seen
together. The cheek and crown darkness appear to be lighting issues as
the cheek to me shows patches of yellowish (as streaks coming "SW" of the
eye) and the patch appears olive in tone with the top border being
perhaps darker and the bottom border disappearing with no distinct border
line. The crown, too, appears olive; certainly greenish highlights. I
do not pick up yellow on the underparts; it appears as off-white to my
eye, certainly there is contrast between the yellow behind the patch and
the throat/chest.
Not seeing too many Townsend's, would TOWA show olive highlights on the
crown and yellow streaks on the cheek along with this much black and
no/limited yellow on the underparts?
My two cents....
Glenn
On Wed, 24 Jan 2007 10:49:56 -0500 sgmlod(AT)AOL.COM writes:
Hello All
So, I was reading the La Nina article in Birding and came to the photo
taken in Sep in Chicago.
Before reading the caption, I thought, "A Townsend's Warbler."
Photographed in Chicago and ID'd as a BTGreen.
Hmmmm.
Maybe I am a doo-fuss (spell check that!)
Or maybe the photo is misleading (boy do I like to harp on that topic).
But the clear throat and central chest would make this bird an imm female
if a BTGreen. If a imm female BTGreen, it should have the least-dark
cheek of any plumage of BTGreen.
And this bird has, or appears to have, a totally solid dark auricular
patch. Also, the throat, chest, and upper belly appear moderately bright
yellow (again, photo artifact?). All of this points strongly to TOWA and
argues strongly against BTGreen Warbler.
Indeed, the only BTGreen mark I see is the apparently unstreaked back,
but Dunn and Garrett's fine warbler book illustrate at least one TOWA
without streaks on back and the imm female TOWA photo does not appear to
have a streaked back, and I remember (perhaps falsely) seeing TOWAs with
unstreaked backs.
So, am I crazy, or is this a TOWA?
I guess both are possible as well.
Cheers
Steve Mlodinow
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Glenn d'Entremont
gdentremont(AT)juno.com
Stoughton, MA
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Subject: Re: Birding 30:45, TOWA?
From: SGMlod(AT)AOL.COM
Date: 24 Jan 2007 9:23pm
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Greetings All
An interesting case of two people looking at same photo and seeing different
things. Sadly, I left my Birding at work.
I'll call the bird in Birding BTGOWA
This is my recollection.
BTGOWA has a solid dark cheek with, perhaps, a modestly darker border and a
yellow eye arc. I don't remember seeing any significant internal streaking.
The throat and chest look distinctly yellow to me, albeit paler than the
yellow surrounding the dark auricular patch.
The back is unstreaked.
The imm female in Dunn and Garrett, both pic and drawing show a bird with a
similar cheek, a throat/chest that is paler than the yellow auricular frame, an
unstreaked back. The crown is concolorous with the back, albeit not as bright
green as BTGOWA.
No depiction in Dunn and Garrett show a BTGreen with an auricular patch
nearly as dark as BTGOWA, though photos of BTGreens with such can be found on
the
web.
And I don't have any idea how this would hold up, but in the few dark cheeked
BTGreen pics I've found, the dark auriculars are connected to olive nape by a
slim olive stripe. In the duller TOWAs, many lack this connecting stripe.
BTGOWA lacks this mark.
Still, the bird was shot in the fall in Chicago and the lighting is odd. So,
BTGreen seems like the likely answer. If I saw this bird, as it appears in the
photo, in WA, I'd clearly call it (perhaps incorrectly) a Townsend's.
Other people's thoughts?
Steve Mlodinow
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Subject: Re: Birding 30:45, TOWA?
From: Giff Beaton <giffbeaton(AT)MINDSPRING.COM>
Date: 27 Jan 2007 7:34pm
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This is a slightly delayed response to Steve Mlodinow's query about the
warbler on page 45 of the most recent Birding, in the excellent article on
the effects of La Nina. As usual, Steve has some excellent points, but there
are definitely some tricks of light and/or color that are making this bird
tough to ID from this photo.
As a couple of posts have mentioned, the combination of bright light on the
flank and poor light on the throat and belly conspire to make the actual
color of the bird difficult to ascertain. To my eye, the throat appears to
be the same pale yellow color as the yellow on the head surrounding the
auricular patch. This yellow color appears to descend down the throat into
the upper belly, but I can't see where it "stops" or fades to white, and
even for a Townsend's Warbler (TOWA) from this angle I think that would be
apparent. If the throat is indeed yellow, then that would of course
eliminate Black-throated Green Warbler (BTNW), but since that is not
definitively shown in this image we have to try other marks. If we could see
the vent area, of if the photographer has any other shots of this bird, that
would also settle the question.
Along with several other birders in the north Atlanta area, we maintain a
near-daily passerine migrant count at Kennesaw Mountain. Our seasonal
averages for BTNW are almost 300 in spring and over 400 in fall, and we try
to age and/or sex as many of these as we can. Many of them are not able to
be so classified, but the point is we closely scrutinize hundreds of BTNW
each season. In my opinion, Steve's mark about the olive line connecting the
auriculars to the green back in birds with darker cheeks mostly holds up,
but is not unequivocal. For this case, I don't think it proves anything, but
I do think it is suggestive of TOWA.
The mystery warbler does appear to have an unstreaked back, but as others
have pointed out the back of a first fall female TOWA (or maybe older
females) can also be unstreaked and from this angle in this light I don't
think that's definitive either. If we start with the idea that this is a
BTNW, the lack of any black of any kind in the center of the throat
eliminates consideration of a male BTNW of any age. Even when the dark black
is obscured by white feather tipping, you can always see some black or gray
color in the center of the throat. Taking into consideration the lighting
issues in this photo, this would still be visible from this angle in my
opinion. The black streaking in the sides of the throat and flanks is fairly
diffuse, but covers a large area (relatively). In BTNW, females with washed
out (less dark) streaking like this almost always have it in a very limited
area, or a much smaller area than this bird is showing. In other words, the
combination of less-dark, diffuse streaks over such an extensive area is not
something I have seen in a BTNW. To me, this is a strike against this bird
being a BTNW and points toward TOWA. I have a couple of images of TOWA from
California that show this combination, but I don't have as much experience
with TOWA, so maybe one of the few people still following this thread from
the west coast can comment on this feature in TOWA? Steve? Kimball?
Finally, others have commented on the relative darkness or completeness of
the auricular patch. I agree that this example is extremely dark and
complete for a BTNW. I almost never see a BTNW with a cheek patch like this,
and the few that I have seen have all been adult males with very dark
throats and flank streaking. I think this feature also points pretty
strongly toward TOWA.
Thanks to others for their posts on this interesting photo, and to John
Idzikowski for posting the photos of his Wisconsin TOWA.
Giff Beaton
Marietta GA
www.giffbeaton.com/warblers.htm
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