 Przewalski's gazelle is similar in appearance to both the Tibetan gazelle and the Mongolian gazelle, to both of which it is closely related, and occurs in similar geographic areas.It is intermediate in size between the other two species, and can most easily be distinguished from them by the shape of its horns.Until the early 20th century, Przewalski's gazelle was widespread across the high plateaus of northwestern China and Inner Mongolia.