The Javan rusa or Sunda sambar is a large deer species native to Indonesia and East Timor. Introduced populations exist in a wide variety of locations in the Southern Hemisphere. The Javan rusa or Sunda sambar (Rusa timorensis) is a large deer species native to Indonesia and East Timor. Introduced populations exist in a wide variety of locations in the Southern Hemisphere. They are herbivores that graze a wide range of grasses, shrubs and trees. They often form small groups. Rusa deer can breed all year round, and usually produce one calf between March and April. Predators. The main predators of the Javan rusa includes Javan leopard, Sunda clouded leopard, dhole, estuarine crocodile, reticulated python, and Komodo dragon on the islands of Rinca, Komodo, and Flores. Rusa deer are distinguished by their large ears, the light tufts of hair above the eyebrows, and antlers that appear large relative to the body size. Their coat is grayish-brown and often appears coarse. Unlike most other deer species, newborn fawns do not bear spots. The antlers of these deer are lyre-shaped and three-tined. Male Rusa deer are bigger than females.

Mass: 140 lbs (Adult) 

Scientific name: Rusa timorensis

Conservation status: Vulnerable (Population decreasing)

Gestation period: 250 days 

Family: Cervidae

Kingdom: Animalia