- a wild ox, Bos sauveli, weighing as much as 2,000 pounds (907 kilograms), with long legs, a humped back, and distinctive horns that arch forward on the male and spiral upward on the female: once known to inhabit the forests of Cambodia, Laos, Thailand, and Vietnam, the kouprey may have survived only in Cambodia and is now classified as possibly extinct.
- a large wild member of the cattle tribe, Box sauveli, of SE Asia, having a blackish-brown body and white legs: an endangered species