Range Description: Buff-collared Nightjar - Antrostomus ridgwayi

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:

Central America - Resident year-round: 22,767 square km
Mexico - Resident year-round: 321,198 square km; Breeding only: 229,731 square km
U.S.A. - Breeding only: 34,986 square km