Range Description: Cliff Swallow - Petrochelidon pyrrhonota

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: 4,048,197 square km
Caribbean - Migration only: 129,022 square km
Central America - Wintering only: 295 square km; Migration only: 509,112 square km
Mexico - Breeding only: 1,090,848 square km; Migration only: 864,393 square km
South America - Wintering only: 11,743,480 square km; Migration only: 177 square km
U.S.A. - Breeding only: 6,828,988 square km; Migration only: 1,464,965 square km