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: 1,294,405 square km; Migration only: 5,397,730 square km
Caribbean - Migration only: 232,881 square km
Central America - Migration only: 198,031 square km
Mexico - Migration only: 246,457 square km
South America - Wintering only: 407,360 square km; Migration only: 14,656,034 square km
U.S.A. - Breeding only: 58,316 square km; Migration only: 4,580,622 square km