American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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Herring Gull (argenteus) adult, March 01 2010, SW Iceland. Picture: Hans Larsson.Visit Hans's pbase! Argenteus, but wingtip pattern on some points close to smithsonianus: W-shaped band on P5, broad band on P10. But, no W-shaped band on P6, no bayonet on P7-P8, black on P9 runs to coverts. |