The Blue Wildebeest (Connochaetes taurinus), also called the Common Wildebeest, is a large antelope and one of two species of wildebeest. It grows to 115–145 cm shoulder height and attains a body mass of 168–274 kg. They range the open plains, bushveld and dry woodlands of Southern and East Africa, living for more than twenty years. The male is highly territorial, using scent markings and other devices to protect his domain. The largest population is in the Serengeti, numbering over one million animals. They are a major prey item for lions, hyenas and crocodiles.