Range Description: Black-throated Gray Warbler - Setophaga nigrescens

Summary of the extent of the breeding, wintering, migration and year-round range of this species in the Western Hemisphere, including Canada, U.S.A. and Mexico:

Canada - Breeding only: 137,114 square km
Mexico - Breeding only: 13,647 square km; Wintering only: 638,537 square km; Migration only: 716,782 square km
U.S.A. - Breeding only: 1,641,557 square km; Migration only: 413,815 square km