New World Warblers (Parulidae)

Black-throated Green Warbler (Dendroica virens) - HBW 15, p. 751

French: Paruline à gorge noire German: Grünwaldsänger Spanish: Reinita Dorsiverde

Taxonomy: Motacilla virens J. F. Gmelin, 1789, Philadelphia, Pennsylvania, USA.
Forms a superspecies with D. chrysoparia, D. townsendi and D. occidentalis, and D. nigrescens is closely related to this group. Probably the sister-species of D. chrysoparia; has occasionally been considered conspecific. Has hybridized with D. townsendi; hybrid involving Mniotilta varia and (probably) present species at Long Point (in Ontario) in 1990. Races weakly differentiated, and species often treated as monotypic. Two subspecies tentatively recognized.

Subspecies and Distribution:

virens ( J. F. Gmelin, 1789) - breeds in S Canada (extreme E British Columbia E to Newfoundland and Nova Scotia) and S in NE USA to Wisconsin, S Michigan and New England, and in Appalachians to N Georgia and Alabama, with isolated population in C Arkansas; migrates to E Middle America and Caribbean, also locally Pacific slope of S Mexico, and in smaller numbers to S USA (S Texas, S Florida) and N Colombia and N Venezuela.
waynei Bangs, 1918 - breeds coastal E USA (extreme SE Virginia S to S South Carolina).