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: 5,386,405 square km
Caribbean - Migration only: 230,239 square km
Central America - Migration only: 506,468 square km
Mexico - Breeding only: 41,075 square km; Wintering only: 133,648 square km; Migration only: 1,782,626 square km
South America - Migration only: 16,689,659 square km
U.S.A. - Breeding only: 4,978,992 square km; Migration only: 3,757,899 square km