Scientific name: Wilsonia pusilla
The male Wilson’s Warbler is quickly recognized by his yellow plumage and round, black cap. An extensive breeding range from Alaska all the way to to eastern Canada, and migration to Mexico and areas south for the winter, makes it a common migrant across all of the U.S. Wilson’s Warblers migrate at night.
A single brood is most common in Wilson’s Warblers, but some pairs do attempt to raise a second brood. Nests are never reused, either in the same season or in a subsequent season. Nest parasitism by the Brown-headed Cowbird is rather rare.
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