The Sumatran rhinoceros, kent as the hairy rhinoceros or Asie twa-horned rhinoceros (Dicerorhinus sumatrensis) an aw, is a rare member o the faimily Rhinocerotidae an ane o five extant rhinoceroses. It is the anerly extant species o the genusDicerorhinus. It is the smawest rhinoceros, awtho it is still a lairge mammal; it staunds 112–145 cm (3.67–4.76 ft) heich at the shoulder, wi a heid-an-bouk lenth o 2.36–3.18 m (7.7–10.4 ft) an a tail o 35–70 cm (14–28 in). The wicht is reportit tae range frae 500 tae 1,000 kg (1,100 tae 2,200 lb), averagin 700–800 kg (1,500–1,800 lb), awtho thare is a single record o a 2,000 kg (4,400 lb) specimen. Lik baith African species, it haes twa horns; the lairger is the nasal horn, teepically 15–25 cm (5.9–9.8 in), whilk the ither horn is teepically a stub. A coat o reiddish-broun hair covers maist o the Sumatran rhino's bouk.
Dinerstein, Eric (2003). The Return of the Unicorns; The Natural History and Conservation of the Greater One-Horned Rhinoceros. New York: Columbia University Press. ISBN0-231-08450-1. This map does not include unconfirmed historical sightings in Laos and Vietnam or possible remaining populations in Burma.