Range Description: Western Sandpiper - Calidris mauri

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 - Migration only: 162,693 square km
Caribbean - Wintering only: 6,100 square km
Central America - Wintering only: 202,101 square km
Mexico - Wintering only: 513,851 square km
South America - Wintering only: 297,117 square km
U.S.A. - Breeding only: 291,252 square km; Wintering only: 2,166,957 square km; Migration only: 988,339 square km