The pronghorn is the fastest North American mammal, capable of sprinting up to forty miles (60 km) per hour and maintaining speeds of thirty miles (45 km) per hour.
It lives in small scattered groups in the summer, but in winter herds of up to a hundred may converge, foraging for grasses, weeds, shrubs, and forbs.
When a pronghorn is alerted to danger, the white hairs on its rump will stand erect, signaling the others to flee.
Both male and female have horns but the male's are larger.
During breeding season, the male marks its territory with droppings and urine, and violently defends its harem against all rivals.
Name: Pronghorn (Antilocapra americana)
Family: Antilocapridae (Pronghorn)
Range: Western North America into Mexico
Habitat: Grassland, open prairie, and desert
Diet: Browse, forbs, bunchgrass, sagebrush, cactus, and other vegetation
Head and Body Length: 3 to 5 feet (1 to 1.5 m)
Tail Length: 3 to 4 inches (7 to 10 cm)
Shoulder Height: 31.5 to 39 inches (80 to 100 cm)
Weight: 77 to 154 pounds (35 to 70 kg)
Life Cycle: Mating September to October, earlier in southern locales; gestation 230 to 250 days, usually two young born
Description: Reddish-brown to tan coat; white underside, face, rump and neck bands; males have a black mask and neck patches; large, protruding eyes; pronged horns; deer-like body
Conservation Status: Not listed by the IUCN.
 Order: Artiodactyla, Family: Bovidae Greater kudus weigh between 265 and 700 pounds.
The greater kudu is one of the tallest antelopes, with a shoulder height ranging from 3.3 feet to 5 feet.
Greater kudus have the largest horns in the bushbuck tribe, averaging 4 feet in length.
Body color varies from reddish brown to blue-gray, with the darkest individuals found in the southern populations. The color of the males darkens with ...
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 Order: Artiodactya, Family: Bovidae Elands weigh from 660 to 2,200 pounds, with males much larger than females.
Their hides are a uniform fawn color with some vertical white striping on the upper parts. A dewlap, thought to be an adaptation for heat dissipation, hangs from the throat and neck.
Elands have heavy, corkscrew-shaped horns that grow up to 4 feet long on males and 2.2 feet long on females. Both sexes have short manes ...
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 Order: Artiodactyla, Family: Bovidae Ethiopian: Nyala have a localized distribution, occupying some parts of southeastern Africa.
Nyala are medium sized in comparison to other antelopes, with a marked size difference between the sexes. Males weigh 98-125 kg and stand over one meter tall at the shoulder, while females weigh 55-68 kg and are slightly less than a meter tall. Males have horns, which can be up to 80 cm long and spiral up...
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 Herds of ten to forty gemsbock are not uncommon and groups of up to a hundred have been recorded.
These animals are frequently found in association with other species of gazelles and sometimes zebras, foraging for grasses and leaves.
Gemsbock can go many days without water, but in the more arid parts of their range, they sometimes dig a trough in a dried-out river bed to reach the water tabl...
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 Order: Artiodactyla, Family: Bovidae Ethiopian: Throughout central Africa, from south of the Sahara to north of the Kalahari deserts.
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 Order: Artiodactyla, Family: Bovidae The Tibetan antelope, or Chiru, is endemic to the Tibetan Plateau. It is found between Ngoring Hu in China and the Ladakh region in India. Its range once extended to western Nepal, but none have been seen in Nepal for several years.
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