Gulls in NW Europe
(last update: September 25, 2011
Great Black-backed Gull 1cy (marinus) JE318 October 19 2009, IJmuiden, the Netherlands.
Bird ringed as pullus 16 June 2009 at Hårkniba, Mandal, Vest-Agder, Norway (58°00'19"N 007°26'35"E).
Still juvenile. Size suggests male.
