Range Description: Black-vented Shearwater - Puffinus opisthomelas

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:

Mexico - Breeding only: 39,892 square km; Wintering only: 473,231 square km
U.S.A. - Wintering only: 73,197 square km