sand·er·ling /ˈsændɚ/
  三趾
  San·der·ling n.  Zool. A small gray and brown sandpiper (Calidris arenaria) very common on sandy beaches in America, Europe, and Asia. Called also curwillet, sand lark, stint, and ruddy plover.
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  sanderling
       n : small sandpiper that breeds in the arctic and migrates
           southward along sandy coasts in most of world [syn: Crocethia
           alba]