Important waterfowl species of the Norwegian Sea are puffin, kittiwake and guillemot. The cliffs are also important for breeding fulmar, razorbill and guillemot. There are special Faroese races of eider, starling, wren, guillemot, and black guillemot. The common murre or common guillemot ("Uria aalge") is a large auk. In the spring and summer pigeon guillemot and Leach's storm petrel nest on the island. Avian predation is the most common cause of egg loss in the pigeon guillemot. The pigeon guillemot and the black guillemot form a superspecies. Otherwise, the effects of oil spills on the pigeon guillemot are unclear. In 1988, Yves Guillemot was appointed as Ubi Soft's chief executive officer. The English word "guillemot" is from French "guillemot" probably derived from "Guillaume", "William". The English "guillemot" is from French "guillemot", probably derived from "Guillaume", "William". The English "guillemot" is from French "guillemot" probably derived from "Guillaume", "William". "Murre" is of uncertain origins, but may imitate the call of the common guillemot. Their first business was Guillemot Informatique, founded in 1984. In 1985, the brothers established Guillemot Corporation for similar distribution of computer hardware.