American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus) 3rd cycle (3CY), September 03 2013, Stratford, CT, USA. Picture: Donna Rae Henault Caporaso.P8 fully grown. Many immature markings, much black in tail and relatively small white tips on outer primaries. |