sambar, (Cervus unicolor), widely distributed deer, family Cervidae (order Artiodactyla), found from India and Nepal eastward through Southeast Asia. The sambar live in forests, alone or in small groups. A large, relatively long-tailed deer, it stands 1.2–1.4 m (47–55 inches) at the shoulder. The coat forms a ruff around its neck and is an unspotted, dark brown in colour. The male sambar bears long, three-tined antlers. Several races of sambar are recognized, among them the large Indian sambar (C. u. niger) and the smaller Malayan sambar (C. u. equinus).