Range Description: Sabine's Gull - Xema sabini

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: 676,593 square km; Migration only: 593,880 square km
Central America - Wintering only: 46,487 square km; Migration only: 553,656 square km
Mexico - Migration only: 1,422,814 square km
South America - Wintering only: 1,583,750 square km; Migration only: 8,146 square km
U.S.A. - Breeding only: 291,234 square km; Migration only: 1,432,687 square km