[wisb] Re: yellow rumped warbler subspecies

  • From: "Tom Schultz" <trschultz@xxxxxxxxxxxxxx>
  • To: <kerry.sehloff@xxxxxxx>, <wisbirdn@xxxxxxxxxxxxx>
  • Date: Mon, 14 Oct 2013 10:23:47 -0500

Kerry, I would describe this birds as a possible intergrade.  (The term 
hybrid doesn't really apply here, since both forms are considered the same 
species.)

I wouldn’t call this an "Audubon's" for a couple of reasons: one is that 
there is a hint of a supercilium (pale eyebrow) present; and two, that the 
pale throat patch extends back a ways under the auriculars (cheek) patch. 
"Audubon's" typically lacks the supercilium, and the pale throat should only 
extend as far as the bottom front point of the auriculars, creating a more 
rounded throat patch.

Cool bird, though -- and very nice photos!

Tom Schultz
Green Lake Co.


-----Original Message----- 
From: Sehloff, Kerry
Sent: Monday, October 14, 2013 9:52 AM
To: Wisbird (wisbirdn@xxxxxxxxxxxxx)
Subject: [wisb] yellow rumped warbler subspecies

Hello, all!
Just curious, would the attached be photos of Audubon's subspecies?   Or a 
possible hybrid?  Or is the yellow on the throat just an anomaly?  This 
little cutie graced our yard yesterday, filling up on insects that were 
congregated on the garage roof and eaves.  We have seen the yellow throated 
yellow rumped individuals in Colorado - it is a bit freaky at first to see 
that throat color on a yellow rumped warbler.

I would like to add this sighting to eBird.

http://www.flickr.com/photos/25442634@N07/10270593514/

http://www.flickr.com/photos/25442634@N07/10270683216/

Thanks for your thoughts,

Kerry Sehloff
NE Fond du Lac County



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