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Wilson's Warbler

Wilsonia pusilla ORDER: PASSERIFORMES FAMILY: PARULIDAE

IUCN Conservation Status: Least Concern

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Wilson

© 2004 Cornell Lab of Ornithology

A common warbler of willow thickets in the West and across Canada, the Wilson's Warbler is easily identified by its yellow underparts and black cap.

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Appearance

Warblers
Warblers
Typical Voice

Adult Description

  • Small songbird.
  • Underparts entirely yellow.
  • Back olive green.
  • Face yellow.
  • Plain dark wings and tail.
  • Male with black cap.

Immature Description

Similar to adult, but duller and with smaller or absent black cap.

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Wilson
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Field MarksHelp

  • Adult male
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    Adult male
    • © 2004 Cornell Lab of Ornithology, Ohio, May 2000
  • Adult female
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    Adult female
    • © 2004 Cornell Lab of Ornithology, California, April 2000

Similar Species

  • Yellow Warbler has yellow edges to wings and yellow tail spots.
  • Female Hooded Warbler has white tail spots.
  • Orange-crowned Warbler is more drab overall, has a proportionally shorter tail, longer, more pointed bill, and often inconspicuously streaked underparts.