Examples of these species are giraffe, blue wildebeest, impala, kudu and white rhino. Examples of such animals are zebras, elephants, and wildebeest. In the southern Kalahari, gemsbok, wildebeest and springbok are the principal prey. These parasites regularly alternate between hartebeest and gazelles or wildebeest. It will also perch on antelopes such as wildebeest. However, zebra young are afforded more protection then those of species like wildebeest and hartebeest. Blue wildebeest have both migratory and sedentary populations. The vultures consume about 70% of the wildebeest carcasses available. Wildebeest females breed seasonally and ovulate spontaneously. The blue wildebeest is known to have five subspecies. The black wildebeest is native to southern Africa. The blue wildebeest is native to eastern and southern Africa. Cooks preparing the wildebeest carcass usually cut it into 11 pieces. The two species of the wildebeest are known to hybridise. The blue wildebeest is the bigger of the two species.