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Data for:
San Mateo, California, United States
List:

Charadriiformes > Scolopacidae

Sanderling

Calidris alba

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Identification

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Most common shorebird seen on beaches. Small flocks run back and forth as if chasing the waves. Paler overall than similar smallish shorebirds. Gray and white in fall and winter; acquires rusty red tones on head and breast in spring. Juveniles in fall are boldly spangled black-and-white above. Breeds in High Arctic.

POWERED BY MERLIN

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