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: 3,601,273 square km; Wintering only: 331,870 square km; Migration only: 1,199,288 square km
U.S.A. - Breeding only: 1,331,911 square km; Wintering only: 340,910 square km; Migration only: 488,813 square km