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The chestnut-sided warbler is one of my favorite wood warblers, but it breeds in eastern North America and only occasionally gets to the west coast. These are breeding-plumage males: one that overwintered in Fairmount Park in Riverside, California, and one near Twin Lakes, Colorado (a small isolated population breeds in the Front Range). Winter-plumage birds, although not as flashy as breeding males, are quite attractive, with bright wing bars and yellow-green backs and crowns. |
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