Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) CKAM 4CY (3rd cycle), April 10 2011, Oostduinkerke, Belgium. Picture: Peter Adriaens. 

Ringed as pullus on July 11 2008 at Zeebrugge (Voorhaven), West-Vlaanderen, Belgium (51°21'0''N 3°11'0''E).

Adult-like inner and central primaries. Medium mirror on P10 and small mirror on P9.