Gulls in Europe(last update: October 10, 2012) |
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Lesser Black-backed Gull (graellsii) 2cy H291 November 09 2008, Westkapelle, the Netherlands.Ringed as pullus in summer 2007 at Helgoland, N Germany, transition zone between graellsii ("Dutch intergrades") to Scandinavian intermedius. Partial autmn moult in wing-coverts and upper tertials obvious: new feathers show greyish tones. |