Gulls in NW Europe
(last update: September 25, 2011
Herring Gull 1cy 6.169.3xx (argenteus) September 17 2011, Leiden, the Netherlands. Pictures: Maarten van Kleinwee.
Ringed in The Netherlands.
First-calendar year European Herring Gull, moulting to first-winter (first cycle) plumage: new second-generation scapulars are starting to appear.
