The White Rhinoceros or Square-lipped rhinoceros (Ceratotherium simum) is one of the five species of rhinoceros that still exist and is one of the few megafaunal species left. It has a wide mouth used for grazing and is the most social of all rhino species. The White Rhino consists of two subspecies: the Southern White Rhino, with an estimated 17,480 wild-living animals at the end of 2007 (IUCN 2008), and the much rarer Northern White Rhino.
(From Wikipedia, April 23, 2010)
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Head and body length= 335-420 cm with a tail of 50-70 cm. Shoulder height= 150-185 cm. Males are larger than females. White rhinos are among the largest living land animals. They are usually light gray to dark yellow. They have very little hair, with a small amount being found on the tips of their tails and ears and intermittently scattered on their bodies. They have two horns; the front horn is longer and often attains a length of 150 cm. The head is very long and there may be a large hump on the neck. The ears are long, and they seem to pivot freely. White rhinos lack canines and incisors and have a wide (20 cm) flexible front lip.
(From EOL via Animal Diversity Web, April 23, 2010)