Kiev Tumbler

Bird

A flying breed that flies at a medium height and it should make 'tumbles'. It is long-faced, with a long beak. It is a slender, gentle pigeon. Size: Small, a little smaller than a normal homing pigeon (racing pigeon); Have a peak-crested and small-muffed legs. Its wings are carried upon the tail, which has a minimum of 12 rectrices and an oil duct.

http://en.wikipedia.org/wiki/Kiev_Tumbler