Yellow Warbler

The yellow warbler is 4 1/2 – 5 inches in length, with a sharp, fine bill. Its body is all yellow, with yellow-green wings, yellow wing bars, and yellow tail patches. The male has bright chestnut-red streaks on its breast. Its black eye is outlined by a thin yellow eye ring. Plumage varies somewhat by region, with Alaskan birds being grayer, and the Sonoran subspecies paler, than the eastern standard.

Yellow warblers arrive in the southern states by late March or early April and are on their breeding grounds in most parts of their range by mid-May. The northernmost birds leave as soon as nesting is finished in July, and the bulk of the population is gone from the United States by late October. They winter primarily from southern Mexico to Peru and Brazil; small numbers stay in southern California or (rarely) in southern Arizona. Habitat for this species includes riparian willows and cottonwoods, old orchards, farm hedgerows, streamside thickets, suburbs and parks.

Songs and calls

The basic mating song of the yellow warbler is often written as sweet-sweet-sweeter-than-sweet or sweet-sweet-l’m-so-sweet, but males sing various other songs as well, some of which resemble those of the magnolia or chestnut-sided warbler or the American redstart.

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