Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) FNAB 5CY (4th cycle), May 11 2010, Zeebrugge, Belgium. Picture: Peter Adriaens.

Ringed as pullus in 2006 at Zeebrugge, Belgium. Now back in the colony to occupy a territory.

Female. No signs of immaturity.