A bird with a bright yellow belly and face and offset by olive-green wings and a head capped off with a jaunty French beret

Wilson’s Warbler prefers to nest in dense forests of alders, willows, and other shrubs. It is similar to its cousins, the Orange-crowned Warbler and the Yellow Warbler.

A bird with a bright yellow belly and face and offset by olive-green wings and a head capped off with a jaunty French beret

All three species breed significantly further north than most other warblers, over most of Alaska and Canada.

And range south through much of the Rocky Mountains and Sierra Nevadas, as well as along the West Coast into southern California.

During the winter, Wilson’s Warblers may be found primarily in Mexico and Central America.

With a few nesting in the Gulf Coast of Texas and Louisiana, as well as in southern California.

A bird with a bright yellow belly and face and offset by olive-green wings and a head capped off with a jaunty French beret

As a result, it is a medium-distance migratory.

There are now three recognized subspecies of Wilson’s Warbler, which differ in size, color, and body size.

Western birds have the most vibrant plumage and may have separated sufficiently genetically to be regarded as a different species.

The Wilson’s Warbler, like virtually other wood-warblers, is an insectivorous bird that feeds on both adult and larval insects.

It will graze for berries on occasion, primarily in the winter.

A bird with a bright yellow belly and face and offset by olive-green wings and a head capped off with a jaunty French beret

Although polygyny (when a male mates with more than one female) may be rather prevalent in mountain populations, the Wilson’s Warbler is seasonally monogamous.

This warbler nests in informal groups with overlapping territories in excellent habitat.

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