Range Description: Ruddy Duck - Oxyura jamaicensis

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: 6,045 square km; Breeding only: 1,659,384 square km; Wintering only: 36,710 square km; Migration only: 990,222 square km
Caribbean - Resident year-round: 221,516 square km
Central America - Wintering only: 63,179 square km
Mexico - Resident year-round: 1,286,615 square km; Wintering only: 466,405 square km
U.S.A. - Resident year-round: 688,241 square km; Breeding only: 2,304,911 square km; Wintering only: 1,936,399 square km; Migration only: 2,589,392 square km