Range Description: Semipalmated Sandpiper - Calidris pusilla

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 - Breeding only: 2,188,892 square km; Migration only: 6,017,282 square km
Caribbean - Wintering only: 233,746 square km
Central America - Wintering only: 27,183 square km; Migration only: 207,318 square km
Mexico - Wintering only: 23,724 square km; Migration only: 80,649 square km
South America - Wintering only: 937,342 square km
U.S.A. - Breeding only: 393,458 square km; Migration only: 5,927,470 square km