| Common Name: | Sandpiper, Semipalmated | | Scientific Name: | Calidris pusilla | | Family: | Scolopacidae (Sandpipers) | | Area: | Ona Beach State Park, Oregon | | Date: | August 31, 2013 | 
Semipalmated Sandpipers are very similar to the more common Western Sandpiper, but differ in the that they have a more rounded head, a shorter and straighter bill, and are general a little more grey than brown. | | Reference: | National Geographic Field Guide to the Birds of Western North America by Dunn & Alderfer / The Sibley Field Guide to Birds of Western North America by Sibley / Kaufman Field Guide to Birds of North America by Kaufman |
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