Range Description: Tree Swallow - Tachycineta bicolor

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: 6,243,963 square km
Caribbean - Wintering only: 111,386 square km; Migration only: 109,000 square km
Central America - Wintering only: 307,293 square km
Mexico - Wintering only: 1,368,330 square km; Migration only: 484,276 square km
U.S.A. - Breeding only: 5,435,004 square km; Wintering only: 312,726 square km; Migration only: 3,068,693 square km