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The pronghorn's closest living relatives are the giraffe and okapi. [14] The Antilocaprids are part of the infraorder Pecora, making them distant relatives of deer, bovids, and moschids. The pronghorn is the fastest land mammal in the Americas, with running speeds of up to 88.5 km/h (55 mph). It is the symbol of the American Society of ...
The Sonoran pronghorn (Antilocapra americana sonoriensis) is an endangered subspecies of pronghorn that is endemic to the Sonoran Desert. [2] Conservation.
Articles relating to the Pronghorn, a species of artiodactyl (even-toed, hoofed) mammal indigenous to interior western and central North America.Though not an antelope, it is known colloquially in North America as the American antelope, prong buck, pronghorn antelope, prairie antelope, or simply antelopebecause it closely resembles the antelopes of the Old World and fills a similar ecological ...
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The Baja California pronghorn was the last subspecies of pronghorn to be described, and is found on the Baja peninsula. Aerial surveys in the mid-1990s counted 117 and 151 individuals; the ground surveys results were 83, 39, and 48 individuals.
Capromeryx (dwarf pronghorn) is an extinct genus of dwarf pronghorns (Antilocapridae) that originated in North America during the Pliocene about 5 million years ago (the exact range of their presence on the landscape is still not known, but the most recent fossils found are dated to 11,000 years ago). [1]
One member of the genus, T. shuleri, survived until about 12,000 years ago, and was present when Paleo-Indians reached North America. [4] Although approximately the same size as the living pronghorn, the limb bones are somewhat more robust, suggesting that its running speed was slower than living pronghorn.
The Sierra Nevada bighorn sheep (Ovis canadensis sierrae) is subspecies of bighorn sheep unique to the Sierra Nevada mountains of California. [3] A 2016 genetics study confirmed significant divergence between the three subspecies of North America's bighorn sheep: Sierra Nevada bighorn sheep, Rocky Mountain bighorn sheep and desert bighorn sheep. [4]