Range Description: Mallard - Anas platyrhynchos

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: 463,041 square km; Breeding only: 5,338,654 square km
Caribbean - Wintering only: 118,590 square km
Mexico - Resident year-round: 23,537 square km; Wintering only: 453,305 square km; Migration only: 281,378 square km
U.S.A. - Resident year-round: 6,381,438 square km; Breeding only: 1,669,666 square km; Wintering only: 1,166,119 square km; Migration only: 62,838 square km