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: 3,705,986 square km; Migration only: 2,409,101 square km
Caribbean - Wintering only: 233,779 square km
Central America - Wintering only: 485,297 square km
Mexico - Wintering only: 1,460,075 square km; Migration only: 494,700 square km
South America - Wintering only: 17,766,167 square km
U.S.A. - Breeding only: 859,656 square km; Wintering only: 623,141 square km; Migration only: 7,212,722 square km