Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) PBAX 2CY-3CY, December 2011 & December 2012, De Panne, Belgium. Picture: Peter Adriaens. 

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

below: Herring Gull (argenteus) PBAX 3CY, December 19 2012, Koksijde, Belgium. Picture: Peter Adriaens. 

3rd gen flight feathers. Adult-like primaries and secondaries. Mirror on P10.

below: Herring Gull (argenteus) PBAX 2CY, December 17 2011, De Panne, Belgium. Picture: Peter Adriaens. 

2nd gen flight feathers.