Tahr, the native name of a shaggy-haired brown Himalayan wild goat characterized by its short, triangular and sharply keeled horns. Under the name of Hemitragus jemlaicus, it typifies a genus in which are included the wariatu, or Nilgiri ibex (H. hylocrius), from the Nilgiri and Anamalai hills of Southern India, and a small species, H. jayakeri, from South Arabia. Tahr frequent the worst ground of almost all ruminants.