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pronghorn

pronghorn or prongbuck, hoofed herbivorous mammal, Antilocapra americana, of the W United States and N Mexico. Although it is often called the American, or prong-horned, antelope, it does not belong to the true antelope family of Africa and Asia, but to a related family, the Antilocapridae, of which it is the only living member. 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).

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pronghorn

pronghorn Only extant member of the family Antilocapridae, related to the antelope. It is a horned, hoofed, herbivorous animal of w USA and n Mexico. The swiftest North American mammal, it reaches speeds of 80km/h (50mph) over short distances. Height: 3ft (90cm); weight: 45kg (100lb).

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pronghorn

prong·horn / ˈprôngˌhôrn/ (also pronghorn antelope) • n. a deerlike North American mammal (Antilocapra americana) with a stocky body, long slim legs, and black horns that are shed and regrown annually.

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pronghorn

pronghorn (Antilocapra americana) See ANTILOCAPRIDAE.

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