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Fernand Deroussen
The Kittiwake is a real seabird. Inland, you will hardly see this gull. The bird nests in large colonies on high cliffs along the coast. At the tip of the wing, it has a small black triangle.
http://en.wikipedia.org/wiki/Rissa_tridactyla
http://commons.wikimedia.org/wiki/File:Rissa_tridactyla_area_all.PNG