Breeding plumage - May 7.
Credit: Dan Pancamo

North American field guide

Semipalmated Sandpiper

Calidris pusilla

Identification

Field notes

13-18 cm (5-7") Abundant in migration along East coast, rare along West. Nests on Tundra, in migration along beaches, shores, mudflats, winters in South America.

Sparrow-sized "peep" sandpiper; straight, blunt-tipped, black bill; black legs.

Summer: grayish-brown upperparts, white underparts.

Winter: grayish above, white below. Very similar Western Sandpiper usually has longer, thinner-tipped bill, higher call.

Song: "chit" or "cheh".

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