Herring Gull (argentatus & argenteus)(last update: February 11, 2013) |
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Herring Gull (argenteus) CRAC 4CY-5CY (3rd - 5th cycle), May 2011 - December 2012, Koksijde, Belgium. Picture: Peter Adriaens.Ringed as pullus in June 2008 at Oostende, Belgium. Herring Gull (argenteus) CRAC 5CY (5th cycle), December 19 2012, Koksijde, Belgium. Picture: Peter Adriaens.No sign of immaturity. Herring Gull (argenteus) CRAC 5CY (4th cycle), February 12 2012, Koksijde, Belgium. Picture: Peter Adriaens.No sign of immaturity.
Herring Gull (argenteus) CRAC 4CY (moulting into 4th cycle), July 31 2011, Koksijde, Belgium. Picture: Peter Adriaens.P3/P7. below: Herring Gull (argenteus) CRAC 4CY (3rd cycle), May 22 2011, Koksijde, Belgium. Picture: Peter Adriaens.P1-P10 old. Adult-like inner and central primaries. Small mirror on P10. |