Pronghorn Antelope Antilocapra americana prong buck North America fighting Ungulate grass land running Wildlife nature animal wi


pronghorn (Antilocapra americana), also pronghorn antelope or prong buck, is a species of ungulate mammal native to interior western and central North America. It is the only surviving member of the family Antilocapridae. Adult males are – m (4 1/4-5 ft) long from nose to tail and stand 81–104 cm (2 5/8-3 3/8 ft) high at the shoulder, and weigh 40–60 kg (88-132 lb). The females are as long, but average slightly less heavy, 40–50 kg (88-110 lb). The main color of adults is brown or tan, with a white rump and belly and two white stripes on the throat. A short dark mane grows along the neck, and males also sport a black mask and black patches on the sides of the neck. The tail is short, – cm (average cm) long. The feet have just two hooves, with no dewclaws. The body temperature is °C. Each "horn" of the pronghorn is composed of a slender, laterally flattened blade of bone that grows from the frontal bones of the skull, forming a permanent core. As in the Giraffidae, skin covers the bony cores, but in the pronghorn it develops into a keratinous sheath which is shed and regrown on an annual basis. Unlike the horns of the family Bovidae, the horn sheaths of the pronghorn are branched, each sheath possessing a forward pointing tine (hence the name pronghorn). The horns of males are well developed; in females, they are either small, misshapen, or absent.


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