Asiatic wild ass, onager (Equus hemionus)
Illustration of one of the sons lassoing an onager while the father and the family ass look on.
Date published 1891
Source Johann David Wyss (translated into English by the family of William Henry Giles Kingston), The Swiss Family Robinson, George Routledge and Sons, Limited, 1891, facing p. 212.
Author unknown artist
The onager or hemione or Asiatic wild ass (Equus hemionus) is a species of the family Equidae (horse family) native to Asia. Onagers live in deserts and other arid regions of Iran, Pakistan, India, and Mongolia, including in Central Asian hot and cold deserts of Kazakhstan, Uzbekistan, Turkmenistan, and China.