Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) PAAU 2CY, July 11 2011, Oostende, Belgium. Picture: Peter Adriaens.Ringed as pullus in July 2010 at Zeebrugge, West-Vlaanderen, Belgium. Complete moult: P1-P4 fully grown. P5 growing. P7-P10 old juvenile. Secondaries and tail juvenile. |