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: 3,494,966 square km; Migration only: 4,294,931 square km
Caribbean - Wintering only: 233,746 square km
Central America - Wintering only: 125,027 square km; Migration only: 366,254 square km
Mexico - Wintering only: 1,812,806 square km; Migration only: 142,438 square km
South America - Wintering only: 6,003,684 square km; Migration only: 129 square km
U.S.A. - Breeding only: 1,449,251 square km; Wintering only: 2,198,034 square km; Migration only: 5,639,438 square km