Herring Gull (argentatus & argenteus)
(last update: February 11, 2013)
Herring Gull (argenteus) CRAB 2CY & 4CY, August 2009 & May 2011, Westkapelle & Oostende. Picture: Theo Muusse & Peter Adriaens.
Ringed as pullus in June 2008 at Oostende, Belgium.
below: Herring Gull (argenteus) CRAB 4CY (3rd cycle), May 28 2011, Oostende, Belgium. Picture: Peter Adriaens.
Immature pattern on GC and TT. No mirror on P10.
below: Herring Gull (argenteus) CRAB 2CY, August 28 2009, Westkapelle, the Netherlands.
Primary moult almost finished. Partial autumn moult started, including upper tertials, inner gc, several mc.