(Streptopelia decaocto), also collared turtle dove, a bird of the family Columbidae. It measures 28 cm long and weights up to 150 g. The back is brownish gray. There is a black half-collar on the neck and the tail is edged with white. The legs are red. The collared dove is distributed in southern Asia and in Europe; after the 1940’s it settled as far as eastern France, Scotland, southern Norway, and Finland. Moving eastward in the USSR it has reached Estonia and Byelorussia and Poltava, Kharkov, and Kherson oblasts. From Afghanistan it penetrated into Turkmenia and has settled along the valley of the Tedzen River. Keeping to populated places, it nests on buildings and trees, two to four times a summer. The bird feeds mainly on seeds.