Nyala

The nyala (Nyala angasii or Tragelaphus angasii), also called inyala, is a South African spiral-horned antelope. It is a species of the family Bovidae and genus Nyala, also considered to be in the subgenus Tragelaphus. It was first described in 1849 by George French Angas. The body length is 135–195 cm (53–77 in), and it weighs 55–140 kg (120–310 lb). It exhibits the highest sexual dimorphism among the spiral-horned antelopes.