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: 2,200,774 square km; Migration only: 145,332 square km
Central America - Wintering only: 83,311 square km; Migration only: 361,549 square km
Mexico - Migration only: 252,147 square km
South America - Wintering only: 2,051,751 square km
U.S.A. - Breeding only: 556,550 square km; Migration only: 3,070,143 square km