The Black Rhinoceros or Hook-lipped Rhinoceros (Diceros bicornis), is a species of rhinoceros, native to the eastern and central areas of Africa including Kenya, Tanzania, Cameroon, South Africa, Namibia, Zimbabwe, and Angola. Although the Rhino is referred to as black, it is actually more of a grey/brown/white color in appearance. An adult Black Rhinoceros stands 140–170 cm (55–67 in) high at the shoulder and is 3.3–3.6 m (11–12 ft) in length. An adult weighs from 800 to 1,400 kg (1,800 to 3,100 lb). The females are smaller than the males. Two horns on the skull are made of keratin with the larger front horn typically 50 cm (20 in) long, exceptionally up to 140 cm (55 in). [wiki]
Ngorongoro Crater, Tanzania.