The Javan rusa or Sunda sambar ("Rusa timorensis") is a deer which lives on the islands of Java, Bali and Timor. It is also an introduced species to Irian Jaya, Borneo (Kalimantan) the Lesser Sunda Islands, Maluku, Sulawesi, Australia, Mauritius, New Caledonia, New Zealand, Papua New Guinea, Réunion.