File:Wilson's Warbler singing

Description
Wilson's Warbler is a small, mostly yellow songbird with the males showing a distinctive black cap. Although this species can be observed during migration throughout the U.S., its breeding range is restricted to the boreal forests of northern Canada and Alaska where it favors willow thickets.

ML Video #464052. Recorded by Eric S. Liner.

For more bird videos and sounds, explore the Macaulay Library at the Cornell Lab of Ornithology visit: http://macaulaylibrary.org

For additional identification and life history information visit: http://www.allaboutbirds.org/guide/wilsons_warbler/id
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