Range Description: Bridled Tern - Onychoprion anaethetus

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:

Caribbean - Breeding only: 325,871 square km; Wintering only: 2,274,727 square km
Central America - Breeding only: 8,476 square km; Wintering only: 363,110 square km
Mexico - Wintering only: 176,950 square km
South America - Breeding only: 13,596 square km; Wintering only: 1,098,396 square km
U.S.A. - Wintering only: 4,897 square km