Gulls in NW Europe
(last update: September 25, 2011
Herring Gull 1cy MUA.B (argenteus) September 23 2010, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed as pullus on June 07 2010 at Oostende, Belgium.
First-calendar year (1st cycle) European Herring Gull, moulting to first-winter plumage (first prebasic moult). Some upper scapulars have been replaced by second-generation feathers.
