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: 520,537 square km; Migration only: 3,442,888 square km
U.S.A. - Breeding only: 186,290 square km; Wintering only: 899,796 square km; Migration only: 966,996 square km