Gulls in NW Europe
(last update: September 25, 2011
Herring Gull 1cy 6.166.566 (argenteus) September 20 2010, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed as pullus on July 01 2010 at Rotterdam Europoort, The Netherlands.
First-calendar year European Herring Gull, moulting to first-winter plumage (first prebasic moult). Many of the upper and lower scapulars have been replaced for second-generation feathers. The upper tertials are already starting to show wear.
