Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) MTAB 4CY (3rd cycle), May 01 2012, Koksijde, Belgium. Picture: Peter Adriaens.Ringed as pullus in June 2009 at Zeebrugge, West-Vlaanderen, Belgium. Adult-like primaries and secondaries. Mirrors on both P9 and P10. |