Hansa plush white rhino 50cm L The White Rhinoceros or Square-lipped rhinoceros (Ceratotherium simum) is one of the five species of rhinoceros that still exist & is one of the few megafaunal species left. It has a wide mouth used for grazing & 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), & the much rarer Northern White Rhino