Blue-winged Warbler Similar Species Comparison

Main SpeciesBlue-winged Warbler

Small warbler with a small, pointed black bill. Adult males have two obvious wingbars and a black eyeline.

Females are often paler than males with a grayer eyeline and a more olive crown, but some are not separable from males.

Song consists of a thin, high buzz followed by a trill; a beee-buzz as if the bird was inhaling and then exhaling.

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Small songbird with a thin, pointed bill. Immature birds have a pinkish bill, yellow undertail coverts, and very thin (almost invisible) wingbars.

Males are bright yellow below with a thin black eyeline.

Females pull off strips of bark from vines and other shrubs to build a cup-shapped nest.

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Males are bright yellow below with white undertail coverts. The wings are steely blue-gray with 2 prominent wingbars. Note thin black eyeline.

Picks insects off foliage often while hanging upside down. Note white undertail coverts.

Males sing a beee-buzz from exposed perches; inhaling on the beee and exhaling on the buzz.

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Often forages at the outer edges of branches where it takes insects from vegetation. Some individuals cannot be accurately sexed.

Found in areas with shrubby undergrowth.

Females nest on or near the ground and sit tight on the eggs for 11–12 days.

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Male Golden-winged Warblers have a black (not yellow) throat and a yellow wing patch that Blue-winged Warblers lack.

Female Golden-winged Warblers are whitish below (not yellow) and have a yellow wing patch that Blue-winged Warblers lack.

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