[wisb] Re: warbler quiz
- From: "Tom Schultz" <trschultz@xxxxxxxxxxxxxx>
- To: "Wisbirdn" <wisbirdn@xxxxxxxxxxxxx>
- Date: Tue, 21 Aug 2012 00:17:36 -0500
Sorry I haven't gotten to this sooner, but was finally able to get back to
my computer.
I am actually reasonably confident that this is a Pine Warbler. The facial
pattern fits very well, with the yellowish supraloral stripe (above the
lores), and the fairly prominent eye arcs. The rectrices (tail feathers)
also fit this species very well, with the pale tail spots extending well up
the tail. On both Blackpoll and Bay-breasted the tail spots are shorter.
Another feature to note is the relatively short length of the undertail
coverts, resulting in a fairly long tail projection -- which is notably
different from both Blackpoll and Bay-breasted, which both have short tail
projections (beyond the undertail coverts).
(These features can be noted on the undertail figures that I did for the
Peterson Warbler guide -- which Peter kindly pointed out.)
Another distinction from Blackpoll/Bay-breasted is the color of the
upperparts, with "Baypolls" tending to be much more greenish or olive on the
upperparts. This bird is more grayish brown. Unfortunately the color of
the feet is quite variable in Pines, and although some are quite blackish,
others are more yellowish -- especially on the toe pads (underside of the
feet).
The coloration of the Pine Warbler is quite variable, with immatures being
quite drab and whitish, and adults (especially males) being more yellow. I
feel that this is an adult that is molting into fall/winter plumage -- most
likely a female. The color of the eye-arcs (split eye-ring) is actually
pretty helpful for separating male Pines from females, since females
typically have whitish eye-arcs and males have yellowish.
Tom Schultz
Green Lake Co.
-----Original Message-----
From: steven lubahn
Sent: Monday, August 20, 2012 10:33 PM
To: Wisbirdn Post
Cc: Tom Wood ; Peter A. Fissel
Subject: [wisb] Re: warbler quiz
I'm going out on a limb here either just to humiliate myself or to simply to
buck the trend. I think this is a Bay-breasted Warbler. The facial pattern
is really hard to read but I see some bright warm yellow in certain areas.
The under tail is not white and shows some buffy tones. The breast has a
warm yellow feel to it, not cool yellow in Blackpoll. The last photo reveals
a buffy color on the flanks as well. Finally, the streaks on the back (if
those are indeed streaks) eliminate Pine.
Steven Lubahn
Cudahy
Milw. Co.
On Aug 20, 2012, at 9:14 PM, Peter Fissel wrote:
> The undertail pattern, with white on the inner half and black on the
> outer, also argues well for Blackpoll...
>
> My favorite thing in any field guide I own is the two pages of just
> undertail patterns in the Peterson warbler guide. Really helpful in fall
> migration, since you're often looking up at the birds overhead anyway.
>
> Peter Fissel
> Madison WI
>
> On 08/20/12, Tom Wood wrote:
>> For the first 3 photos I could have gone with either Pine or Blackpoll
>> Warbler. The fourth photo shows flesh colored feet and a rather long
>> primary projection which pushes me toward Blackpoll, and the fifth photo
>> seems to show streaks on the back and a gray side of neck which
>> would not be present on Pine, but would on Blackpoll. The only thing
>> missing
>> is the lack of any streaks on the underparts. So, Blackpoll is
>> how I would call it.
>>
>> Thomas Wood,Menomonee Falls,Waukesha County
>> -----Original Message-----
>> From: wisbirdn-bounce@xxxxxxxxxxxxx
>> [mailto:wisbirdn-bounce@xxxxxxxxxxxxx](javascript:main.compose()
>> On Behalf Of Nick Anich
>> Sent: Monday, August 20, 2012 7:48 PM
>> To: wisbirdn
>> Subject: [wisb] warbler quiz
>>
>> Those of you on the facebook group already saw this already, but for
>> those
>> who aren't...
>> Ryan Brady, Tim Oksuita, and I had an interesting warbler in Ryan's yard
>> this past weekend. We think we know what it is, but it threw us
>> initially,
>> and we thought sharing some shots would be instructive.
>>
>> Here's 5 photos. The fifth one is most revealing, so try to have your
>> guess
>> made before you make it to the last photo.
>>
>> Here's the first shot, just hit 'next' to see the others:
>>
>> http://www.pbase.com/nanich/image/145465749
>>
>>
>> Nick Anich
>> Ashland, WI
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