Hartbeest n. : A large South African antelope (Alcelaphus caama), formerly much more abundant than it is now. The face and legs are marked with black, the rump with white.

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Taxonomy
Hartebeest, species, Subspecies, Family Bovidae, Alcelaphus buselaphus, subfamily Bovinae, free encyclopedia, Alcelaphus, Alcelaphus buselaphus lelwel, Fauna, genus Alcelaphus, Red Hartebeest, Kingdom, Phylum, Antelope, Damaliscus lunatus tiang, deer, English Vocabulary.

Defination from the web:
hartebeest (Alcelaphus buselaphus) is a grassland antelope found in West Africa, East Africa and Southern Africa. ... Hartebeest stand almost 1.5 m (5 ft) at the shoulder and weigh anywhere from 120--200 kg (265--440 lb) ... Coke's Hartebeest, Serengeti, Tanzania ...