Range Description: Western Grebe - Aechmophorus occidentalis

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: 1,245,638 square km; Wintering only: 22,288 square km
Mexico - Resident year-round: 463,870 square km; Wintering only: 332,343 square km
U.S.A. - Breeding only: 3,147,646 square km; Wintering only: 215,586 square km; Migration only: 272,967 square km