The Yellow Warbler is widespread across Canada and the U.S.A. It is yellow overall, plump, with very distinctive reddish streaks on the chest of the male.
It favours wet habitats, especially willows and alders, open woodlands and orchards.
It is very common in its summer range and and winters mostly in the tropics.
The Audubon Society Field Guide states that in temperate North America the Yellow Warbler is one of the principal victims of of the Cowbird, which lays its eggs in the nests of other birds. The Yellow Warbler often responds to the unwanted egg by burying it, along with some of its own eggs, under a new nest lining. Occasionally, a nest is found with up to six layers, each containing one or more Cowbird eggs.
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BarrytheBirder
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