Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) PN adult, February 14 2010, De Panne, Belgium. Picture: Peter Adriaens.Yellow tibia PN, ringed as breeding adult in May 2008 at Vlissingen, the Netherlands. Dark iris, greenish tinge to bill, and black spot near gonys - all not quite expected in a full adult. |