Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) MTAS 3CY (3rd cycle), November 13 2011, Zeebrugge, Belgium. Picture: Peter Adriaens. 

Ringed as pullus in July 2009 at Zeebrugge, Belgium.

Adult-like primaries and secondaries. Faint mirror on P10.