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Rgoodwin

Please Confirm - Both Myrtle's and Audubon's Yellow-rumped Warbler's

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Taken 4-27-19 in the central Texas Panhandle.  Both these birds were foraging together in the same tree.  I am thinking both subspecies Myrtle's and Audubon's are represented here???

Myrtel's

Myrtle's and Audubon's Warbler-5

Myrtle's

Myrtle's and Audubon's Warbler-3

 

Audubon's

Myrtle's and Audubon's Warbler-2

Audubon's

Myrtle's and Audubon's Warbler-1

 

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I'd be very tempted to call that second one an intergrade, with the white under the auriculars and the faint pale edging rather than bright white edging on the feathers between the wingbars.

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7 hours ago, Jerry Friedman said:

I'd be very tempted to call that second one an intergrade, with the white under the auriculars and the faint pale edging rather than bright white edging on the feathers between the wingbars.

Oh yeah! I never even considered intergrades. The second one, now that I look back at it, is definitely an intergrade. You can see the white under the throat patch, and this signals a mix because myrtle has a full white throat patch. I also agree with the wingbars. The white would pretty much connect in Audubon's, and in the third picture, you can see the contrast between the two wingbars. 

Thank you for noting that out!

This is a picture I found on the internet (not mine) that looks similar to the second bird, and is confirmed to be an intergrade.

Image result for audubon x myrtle warbler intergrade

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Thanks for the lesson on the intergrade.  I will be looking for these identifiers in the future.

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