Herring Gull (argentatus & argenteus)

(last update: February 11, 2013)

Herring Gull (argenteus) MJAX 1CY-2CY, September 2009 & March 2010, the Netherlands & Belgium. Picture: Pim Wolf & Peter Adriaens. 

Ringed as pullus on 03 July 2009 at colony of Zeebrugge (Voorhaven), West-Vlaanderen, Belgium (51°21'0''N 3°11'0''E).

below: Herring Gull (argenteus) MJAX 2CY, March 05 2010, Nieuwpoort, Belgium. Picture: Peter Adriaens. 

1st cycle bird: worn juvenile plumage with replaced, 2nd gen, scaps.

below: Herring Gull (argenteus) MJAX 1CY, September 30 2009,Westkapelle, the Netherlands (51.33N 03.25E). Picture by Pim Wolf. 

US: 75-99%, LS: 1-25%, TOT SCAPS: 50-75%.