The Selous Game Reserve is a protected area in southern Tanzania. It covers a total area of 50,000 km2 (19,000 sq mi) and has additional buffer zones. It was designated a UNESCO World Heritage Site in 1982 due to its wildlife diversity and undisturbed nature. Some of the diverse wildlife of the savannah include the presence of the African bush elephant, black rhino, hippopotamus, African Lion, East African wild dog, Cape buffaloes, Masai giraffe, Plains zebra, and Nile crocodile. Permanent human habitation is not permitted within the reserve. All human entry and exit is controlled by the Wildlife Division of the Tanzanian Ministry of Natural Resources and Tourism.