Range Description: Baird's Sparrow - Ammodramus bairdii

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: 387,930 square km
Mexico - Wintering only: 305,302 square km
U.S.A. - Breeding only: 439,553 square km; Wintering only: 72,047 square km