Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) CCAD 4CY (3rd cycle), February 07 2010, Oostduinkerke, Belgium. Picture: Peter Adriaens.Ringed as a pullus at Zeebrugge, Belgium, on 10 July 2007. This bird looks extremely like a 2nd-cycle. 3rd gen inner primaries. |