Range Description: Tundra Swan - Cygnus columbianus

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: 1,008,941 square km; Wintering only: 37,663 square km; Migration only: 2,587,422 square km
Mexico - Wintering only: 134,089 square km
U.S.A. - Breeding only: 429,575 square km; Wintering only: 500,954 square km; Migration only: 2,555,860 square km