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: broad band on P10 and hint of bayonet on P7. But no real W-shaped band on P5, no W-shaped band on P6, no deep pale tongue on P8, black on P9 runs to coverts and no deep tongue on P10. Note dark on greater primary coverts, indication for young adult. |