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: 800,615 square km
Caribbean - Migration only: 212,069 square km
Central America - Wintering only: 3 square km; Migration only: 245,799 square km
Mexico - Breeding only: 993 square km; Migration only: 363,446 square km
South America - Wintering only: 4,622,631 square km
U.S.A. - Breeding only: 4,397,695 square km; Migration only: 22,018 square km