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: 5,978,865 square km; Migration only: 456,564 square km
U.S.A. - Breeding only: 1,261,103 square km; Wintering only: 2,644,390 square km; Migration only: 1,881,142 square km