Range Description: Razorbill - Alca torda

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: 135,403 square km; Wintering only: 400,218 square km
U.S.A. - Wintering only: 245,007 square km