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purple sandpiper
Purple sandpiper (Calidris maritima).
Calidris
bird genus
Calidris, bird genus in the family Scolopacidae (order Charadriiformes), which includes the shorebirds known as dunlin, knot, and sanderling (qq.v.). Some sandpipers are also classified as Calidris (see sandpiper).
This article was most recently revised and updated by Amy Tikkanen.
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