Wildebeest The wildebeest ( , , plural wildebeest, wildebai, or wildebeests, wildebeesties (juv)), also called the gnu ( ) is an antelope of the genus "Connochaetes". "Wildebeest" is Dutch for "wild beast" or "wild cattle" in Afrikaans ("bees" "cattle"), while "Connochaetes" derives from the Greek words κόννος, "kónnos", "beard", and χαίτη, "khaítē", "flowing hair", "mane". Some sources claim the name "gnu" originates from the Khoikhoi name for these animals, "t'gnu". Others contend the name and its pronunciation in English go back to the word "!nu:" used for the black wildebeest by the San people. The wildebeest, genus "Connochaetes", is placed under
Black wildebeest of the muscles to use large amounts of oxygen help explain the rapid running speed of the black wildebeest and its high resistance to fatigue. Individuals may live for about 20 years. The black wildebeest is particularly susceptible to anthrax, and rare and widely scattered outbreaks have been recorded and have proved deadly. Ataxia related to myelopathy and low copper concentrations in the liver have also been seen in the black wildebeest. Heartwater ("Ehrlichia ruminantium") is a tick-borne rickettsial disease that affects the black wildebeest, and as the blue wildebeest is fatally affected by rinderpest and foot-and-mouth disease, it is