Herring Gull 1cy S.WAH (argenteus) September 23 2011, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed as juvenile on July 15 2011 at Zeebrugge, Belgium.
First-calendar year European Herring Gull moulting to first-winter (first-basic, first cycle) plumage. Some of the scapulars have been replaced by barred second-generation feathers.