Range Description: Marbled Murrelet - Brachyramphus marmoratus

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 - Resident year-round: 150,369 square km; Breeding only: 126,861 square km
U.S.A. - Resident year-round: 523,337 square km; Breeding only: 311,346 square km; Wintering only: 13,452 square km