Black wildebeest the hybrid as compared to either of its parents. In some animals, the auditory bullae are highly deformed, and in others, the radius and ulna are fused. Black wildebeest are sexually dimorphic, with females being smaller in size and more slender than males. The head-and-body length is typically between . Males reach about at the shoulder, while females reach . Males typically weigh and females . A distinguishing feature in both sexes is the tail, which is long and similar to that of a horse. Its bright-white colour gives this animal the vernacular name of "white-tailed gnu", and also distinguishes
Black wildebeest where it has become well established. The black wildebeest inhabits open plains, grasslands, and Karoo shrublands in both steep mountainous regions and lower undulating hills. The altitudes in these areas vary from . The herds are often migratory or nomadic, otherwise they may have regular home ranges of . Female herds roam in home ranges around in size. In the past, black wildebeest occurred in the highveld temperate grasslands during the dry winter season and the arid Karoo region during the rains. However, as a result of massive hunting of the animal for its hide, they vanished from their historical