Gulls in NW Europe
(last update: September 25, 2011
Lesser Black-backed Gull 15cy (graellsii) RS7 September 01 2011, IJmuiden, the Netherlands.
Bird ringed as pullus, on 04 July 1997 at Europoort - Rotterdam, the Netherlands. P5 fully grown; P8-P10 old. Missing central gc.
