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.