Herring Gull adult H-1512xx (argenteus) September 22 2011, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.
No ring data yet.
Adult European Herring Gull moulting to winter (basic) plumage. The dark winter streaking on this individual is concentrated around the eye and the top and front of the head, creating a half-hooded effect.