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MamaMir

Warbler? Vireo? Please help!

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Welcome to Whatbird!

  1. This is a female/immature male Magnolia Warbler. Adult males have a black neck band creating a necklaced look. White undertail coverts and black-tipped tail are diagnostic at all ages. Female/immatures have a gray head and 2 white wingbars.
  2. This is an adult male Wilson's Warbler. Note the yellow overall and black cap.
Edited by akandula
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On 9/13/2019 at 6:08 PM, akandula said:

Welcome to Whatbird!

  1. This is a female/immature male Magnolia Warbler. Adult males have a black neck band creating a necklaced look. White undertail coverts and black-tipped tail are diagnostic at all ages. Female/immatures have a gray head and 2 white wingbars.
  2. This is an adult male Wilson's Warbler. Note the yellow overall and black cap.

Actually, without being able to see the crown well, the ages of Wilson's Warblers are not discernible just from the presence of black on the crown, as immatures have full black crowns in fall. There is a subtle difference between the ages of males in the shape of the rear edge of the crown, at least in Rocky Mountain Willies. I don't know if that difference holds true for the other two subspecies.

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