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New World Warblers (Parulidae)

Townsend's Warbler (Dendroica townsendi) - HBW 15, p. 752

French: Paruline de Townsend German: Townsendwaldsänger Spanish: Reinita de Townsend

Taxonomy: Sylvia townsendi J. K. Townsend, 1837, forests of Columbia River = Fort Vancouver, Clarke County, Washington, USA.
Forms a superspecies with D. chrysoparia, D. virens and D. occidentalis, and D. nigrescens closely related to this group. Probably the sister-species of D. occidentalis; has occasionally been considered conspecific. Hybridizes frequently with latter species (producing fertile young); hybridization with D. nigrescens, D. virens and D. coronata recorded. Birds breeding in Queen Charlotte Is (and wintering in Oregon and California) are on average slightly shorter-winged than others, and this has been used as basis for dividing into two race.. View all taxonomy...

Taxonomy: Sylvia townsendi J. K. Townsend, 1837, forests of Columbia River = Fort Vancouver, Clarke County, Washington, USA.
Forms a superspecies with D. chrysoparia, D. virens and D. occidentalis, and D. nigrescens closely related to this group. Probably the sister-species of D. occidentalis; has occasionally been considered conspecific. Hybridizes frequently with latter species (producing fertile young); hybridization with D. nigrescens, D. virens and D. coronata recorded. Birds breeding in Queen Charlotte Is (and wintering in Oregon and California) are on average slightly shorter-winged than others, and this has been used as basis for dividing into two races; further study required. Monotypic.

Distribution: Breeds from S Alaska and NW Canada (S from Yukon Territory, E to S Alberta) S in USA to Oregon and Idaho. Migrates mainly to region from N Mexico S to Nicaragua, also in smaller numbers S to Panama; also to coastal W USA and NW Baja California (NW Mexico)

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