Townsend's Warbler

Setophaga townsendi

Brightly-colored warbler with a contrasting face pattern with dark cheeks and crown surrounded by bright yellow. Also shows olive back, bold white wingbars, and yellow on the breast. Intensity of color varies with age and sex; adult males are brightest, with black throat, while immatures are more washed out with a pale yellowish throat. Breeds in mature coniferous forests in northwestern North America. Winters from the Pacific coast of the U.S. to Costa Rica, with large numbers especially in the highlands of Mexico and Guatemala. Usually stays in the canopy. Sometimes gathers in large mixed flocks with other warblers and small songbirds, especially on the wintering grounds. Compare with plainer-faced Hermit Warbler, and beware that hybrids occur. Also similar to Black-throated Green Warbler, which overlaps in range most often on the wintering grounds; note Townsend’s darker cheeks and more extensive yellow on breast.

Identification

Townsend's warbler has a yellow face with a black stripe across its cheeks extending into an ear patch, a thin pointed bill, two white wing bars, olive upperparts with black streaks on their backs and flanks, and a white belly. Adult males have a black cap, black throat and yellow lower breast; females have a dark cap and a yellow throat. Immature birds are similar to females with a dark green cap and cheeks.

Taxonomy

Townsend's warbler was formally described in 1837 by the American naturalist John Kirk Townsend under the binomial name Sylvia townsendi. The type locality is Fort Vancouver on the Columbia River in the state of Washington. After the merger of the genera Dendroica and Setophaga, Townsend's warbler is now placed in the genus Setophaga that was introduced by the English naturalist William Swainson in 1827. The species is monotypic: no subspecies are recognised.

Scientific name
Setophaga townsendi
Authority
(Townsend, JK, 1837)
Order
Passeriformes
Family
Parulidae
Genus
Setophaga

Range and habitat

Breeding range
NA : se Alaska, w Canada and nw USA
Non-breeding range
MA
Migration
Complete migrants

Conservation

Population trend
declining

Photos

Distribution

Bird Calls

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