The saola (Pseudoryx nghetinhensis), also called spindlehorn, Asian unicorn, or infrequently, Vu Quang bovid, is one of the world's rarest large mammals, a forest-dwelling bovine native to the Annamite Range in Vietnam and Laos.

Saola measure up to around 1m in height, and 1.5m in length and have a chocolate brown coat with patches of white on their face. They have a black dorsal stripe and two long horns, that researchers have witnessed they use in defence when threatened.

Saola has a chocolate brown coat with patches of white on the face, throat, and sides of the neck. There is a paler shade of brown on the neck and the belly, and a black dorsal stripe. Saola skin is 1-2 millimeters (0.039-0.079 in) thick over most of the body but thickens to 5 millimeters (0.20 in) near the nape of the neck and at the upper ...

The rump is marked by a cream colored band which extends horizontally from the top of one hind leg to the other. White bands encircle the lower leg, just above the hooves. The face has white patches that conceal small dermal nodules that may be scent glands. Saola have possibly the largest maxillary glands of any living mammal./=\

Dec 13, 2019 · The saola's fur is sleek and dark brown in color with dappled white markings on the face. It resembles an antelope, but DNA has proven they are more closely related to cow species—which is why they were designated Pseudoryx, or "false antelope."

With its unusually long horns and white markings on the face, the saola is a strong symbol of biodiversity in Lao and Vietnam.

The Saola has large glands on its face, some of the largest of any mammal, that secrete a thick, mucus-like substance. And you thought you had sinus problems! The reason for this secretion is not known but may be related to marking its territory.

The face has white patches that conceal small dermal nodules that may be scent glands. Saola have possibly the largest maxillary glands of any living mammal. ( Dung, et al., 1993 ; Hardcastle, et al., 2004 )

With its unusually long horns and characteristic white markings on the face, the saola is a strong symbol for biodiversity in Lao and Vietnam. The saola has two parallel horns with sharp ends, which can reach 50cm.

The saola is a highly distinctive species: its dark color, bright white facial markings, and long, straight horns make it very unlikely to be confused with any other species. It is thought that, in Laos, the saola breeds seasonally between the end of August and the middle of November.