Sanderling

(Calidris alba)

 

Sanderlings tussle for food on the beach at Crissy Field.

Will Elder, NPS

 

Natural History: The Sanderling forages at sand beach wash zones by following the waves and probing for small invertebrates. It nests in areas of the tundra. It is a winter resident from August through May. It is potentially territorial.

General Distribution: In the Presidio, this species can be found in tidal areas.

Frequency: This species is common all seasons except summer when it breeds in the arctic.

Identifying Characteristics: The Sanderling appears as a small, pale sandpiper with a flashing white wing-stripe. It displays a snowy white below, gray above, and is dark shouldered. It is often seen chasing waves.

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