Range Description: Black-chinned Sparrow - Spizella atrogularis

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:

Mexico - Resident year-round: 393,778 square km; Breeding only: 31,620 square km; Wintering only: 459,020 square km; Migration only: 37,966 square km
U.S.A. - Resident year-round: 32,386 square km; Breeding only: 348,255 square km; Wintering only: 96,445 square km