The black wildebeest, also known as the white-tailed gnu, is a large herbivorous mammal native to the grasslands of southern Africa. It is characterized by its dark, almost black coat, curved horns, and distinctive white tail. Adult males typically weigh between 150 to 250 pounds, while females are slightly smaller. They are social animals, often found in herds, and primarily graze on grasses. Black wildebeests are known for their unique behavior during the breeding season, where males engage in displays of strength to attract females. They are part of the Antelope family and play a crucial role in their ecosystem by helping to maintain grassland health through grazing.