Gulls in NW Europe
(last update: September 25, 2011
Yellow-legged Gull 2cy (michahellis) HES M-013277 November 05 2010, Westkapelle, the Netherlands. Picture: Pim Wolf.
Ringed in Switzerland, Sempach ring. Note fresh wing-coverts (inner gc, mc and llc) and upper tertials from partial autumn moult.
