Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) KSAV 10CY-11CY, April 2010 - December 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

Ringed metal BLB as pullus in July 2001 at Zeebrugge. Then trapped again as breeding adult male and ringed blue KSAV in May 2008 at colony of Zeebrugge (Voorhaven), West-Vlaanderen, Belgium (51°21'0''N 3°11'0''E).

below: Herring Gull (argenteus) KSAV 11CY, December 10 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

Again there is some black in the tail!

Male.

below: Herring Gull (argenteus) KSAV 11CY, April 10 2011, Koksijde, Belgium. Picture: Peter Adriaens. 

There remains black in the tail!

below: Herring Gull (argenteus) KSAV 10CY, April 05 2010, Koksijde, Belgium. Picture: Peter Adriaens. 

This bird still has remnants of a tail band!