Gulls in NW Europe

(last update: September 25, 2011 )

Herring Gull (argenteus) GCA.P adult, September 2009 & 2010, Westkapelle, the Netherlands. Pictures: Maarten van Kleinwee.

Ringed as breeding adult (4+cy) on the nest on July 25 2007 at Zeebrugge, Belgium. With metal Brussels H152110.

below: Herring Gull (argenteus) GCA.P adult, September 20 2010, Westkapelle, the Netherlands.

Adult European Herring Gull, moulting to winter plumage (prebasic moult). The head, neck and chest show extensive dark streaking. The inner primaries contrast with the old P9-P10. Moult score: P6 / P9.

below: Herring Gull (argenteus) GCA.P adult, October 01 2009, Westkapelle, the Netherlands.

below: Herring Gull (argenteus) GCA.P adult, September 19 2009, Westkapelle, the Netherlands.

Adult European Herring Gull, moulting to winter plumage (prebasic moult). P6 / P9.