Black wildebeest by the German zoologist Eberhard August Wilhelm von Zimmermann in 1780. He based his description on an article written by natural philosopher Jean-Nicolas-Sébastien Allamand in 1776. The generic name "Connochaetes" derives from the Greek words κόννος, "kónnos", "beard", and χαίτη, "khaítē", "flowing hair", "mane". The specific name "gnou" originates from the Khoikhoi name for these animals," gnou". The common name "gnu" is also said to have originated from the Hottentot name "t'gnu", which refers to the repeated calls of "ge-nu" by the bull in the mating season. The black wildebeest was first discovered in the northern part of South Africa
Blue wildebeest Nature rates the blue wildebeest as being of least concern. However, the numbers of the eastern white-bearded wildebeest ("C. t. albojubatus") have seen a steep decline to a current level of probably 6,000 to 8,000 animals, and this is causing some concern. As one of the major herbivores of southern and eastern Africa, the blue wildebeest plays an important role in the ecosystem, and is a main prey item for large predators such as the lion. It is one of the animals that draws tourists to the area to observe big game, and as such, it is of major economic