American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus) 1st cycle (1CY), September 18 2011, Assateague Island National Seashore, Worcester Co., MD. Picture: Frode Jacobsen.Single scaps replaced and some moult gaps in central scaps. Otherwise juvenile plumage. |