American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus) adult, March 19 2009, Rockport Texas. Picture: Tripp Davenport.Very short tongue on P10. Black on P9 does not reach to greater primary coverts. P9 no mirror. No 'bajonets'. W-shaped band on P5. Last vestiges of winter head in lower neck. |