Range Description: Brewer's Sparrow - Spizella breweri

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: 813,958 square km
Mexico - Wintering only: 888,402 square km; Migration only: 72 square km
U.S.A. - Resident year-round: 144,248 square km; Breeding only: 2,263,544 square km; Wintering only: 437,793 square km; Migration only: 556,373 square km