Range Description: Rock Sandpiper - Calidris ptilocnemis

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 - Wintering only: 351,892 square km
U.S.A. - Resident year-round: 95,059 square km; Breeding only: 92,071 square km; Wintering only: 765,822 square km