National Geographic : 1933 Jun
WILD ASSES IN FULL FLIGHT Mongols tell extraordinary stories about the speed and endurance of these animals. By test withmotorcars the explorers found the highest speed of an individual was 40 miles an hour, but this could be maintained for only a short dash. One fine stallion ran for 10miles at an average of 30 miles an hour. 00 WILD ASSES OF THE MONGOL PAMPAS These animals were little known to science until the Expedition studied them. There were no skins in America and only two inthe British Museum. Specimens, motion pictures, still photographs, and many data about their life history were obtained (see text, page 687).