Dicerorhinus sumatrensis is the smallest of the five living species of rhinoceros. It is thick-statured and short-bodied with a combined head and body length of 236-318 centimeters. The animal can reach a shoulder height of 112-145 centimeters. The species can be easily recognized by the two deep skin folds encircling the body between the legs and the trunk, and its thick pelage of short stiff hairs. Two horns decorate the snout, although the frontal horn is much more conspicuous than the nasal horn. An average of 16 millimeters thick, the skin of the Sumatran rhino is thick and leathery, causing it to wrinkle at the edges. The muzzle is rounded and unwrinkled. In adults, body color is generally dark gray or brown. Its dental formula is 1/0, 0/1, 3/3, 3/3.
(Nowak 1991, Strien 1986, Strien 1987)
Range mass: 800 to 2000 kg.
Other Physical Features: endothermic ; homoiothermic; bilateral symmetry
Sexual Dimorphism: ornamentation