(Bibos [Novibos] sauveli), a mammal of the family Bovidae of the order Artiodactyla. The body length of the males measures up to 235 cm and the height varies from 170 to 190 cm. The tail is about 100 cm long and has a tuft on the end. Both males and females have curved arc-shaped horns. The hair cover is short. The coloration of males is brown-black or black; the lower part of the legs is white. The females are gray or brownish. The kouprey was discovered and described in the 1930’s. It inhabits the sparse forests of northern and eastern Cambodia. Its numbers are few (probably about 500 individuals). Some zoologists consider the kouprey to be a domesticated ox of hybrid origin that has become wild.