Many other species of big game are hunted including kudu, antelope, and hartebeest. The Bubal hartebeest and Sahara oryx are extinct. Other animals such as giraffe, kudu and hartebeest can also serve this function. These parasites regularly alternate between hartebeest and gazelles or wildebeest. Fauna includes the cheetah, leopard, lion, Nile crocodile, hyena, Lichtenstein's hartebeest and white rhinoceros. The animals butchered by the tools include waterbuck, hartebeest, springbok, pig and zebra. However, zebra young are afforded more protection then those of species like wildebeest and hartebeest. The animals included hippopotami, hartebeest, elephants, baboons and African wildcats. The exotic animals included hippopotami, hartebeest, elephants, baboons and wildcats. The wildebeest have more specialised skull and horn features than the hartebeest. They avoid Coke's hartebeest, buffalo and elephant. Crocodiles may also prey on hartebeest. The southern lineage gave rise to Lichtenstein's and red hartebeest. Each of the eight subspecies of the hartebeest has a different conservation status. These areas still carry valuable concentrations of wildlife such as the endangered Jackson's hartebeest.