Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) PAAU 2CY, July 11 2011, Oostende, Belgium. Picture: Peter Adriaens. 

Ringed as pullus in July 2010 at Zeebrugge, West-Vlaanderen, Belgium.

Complete moult: P1-P4 fully grown. P5 growing. P7-P10 old juvenile. Secondaries and tail juvenile.