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(genus Hemitragus), any of several wary and surefooted wild goats of the family Bovidae (order Artiodactyla). Tahrs live in herds and usually frequent steep, wooded mountainsides. They range in shoulder height from 60-106 cm (24-42 inches), depending on the species. Both sexes have short horns that curve backward and are flattened from side to side. The Himalayan tahr (Hemitragus jemlahicus), found from Kashmir to Sikkim, is reddish brown to dark brown; the male has a full mane covering the neck and forequarters. The Nilgiri tahr, or Nilgiri ibex (H. hylocrius), of southern India, is brown with a grizzled back. The Arabian tahr (H. jayakari), smallest of the three species, is gray brown with a brittle, relatively short coat