Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull FT6T 4CY (moulting into 4th cycle), June 28 2013, Koksijde, Belgium. Picture: Peter Adriaens.Ringed as 1st winter bird in March 2011 (HY 2010) at Rainham waste dump near London, England. Obvious immature bird, difficult to age correctly when in rest. |