Calidris ptilocnemis (Coues, 1873) - Rock Sandpiper
Author: Morkill, Anne
Determination author: Morkill, Anne [Determination history and verification]
United States of America, Hall Island
U.S. Fish and Wildlife Service - Digital Library System [http://images.fws.gov]
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As a work of the U.S. federal government, the image is in the public domain. For more information, see the FWS copyright policy.
