Gulls in NW Europe
(last update: September 25, 2011
Herring Gull (argenteus) 2cy SWAS December 02 2012, Calais, NW France. Picture: Jean-Michel Sauvage.
Probably ringed at Zeebrugge, in July 2011. See SWAH.
Note 2nd gen primaries and moulted inner greater coverts and upper tertials. In general, bird much resembling 1cy / first winter plumage.
