The pronghorn is about the size of a goat, standing 3 ft (90 cm) high at the shoulder and weighing about 100 lb (45 kg). The coat is light brown with white underparts, two white throat stripes, and a white rump patch. The tail is short, and the ears are long and pointed. Both sexes have horns, which consist of a horny sheath and a bony core, like those of antelopes unlike antelope horns, those of the pronghorn bear a single branch, or prong, and lose the outer sheath each year.
Pronghorns live in small bands on open plains. Chiefly browsers, they feed largely on sagebrush and other shrubs, but also eat grasses. The swiftest of North American mammals, they attain speeds of 60 mi (96 km) per hr, but are poor jumpers. Their principal enemies, besides humans, are wolves and coyotes. Before the settlement of North America by Europeans pronghorns were comparable in numbers to buffalo by the beginning of the 20th cent., however, they had been nearly exterminated by hunting. They are now protected on reservations, where they have made a good recovery.
Pronghorns are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Artiodactyla, family Antilocapridae.
See J. van Wormer, The World of the Pronghorn (1968).
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: Vertebrate Zoology
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