The pronghorn (Antilocapra americana) is a mammal unique to interior western and central North America. Though not an antelope, it is often called a pronghorn antelope, or simply antelope, as it closely resembles the true antelopes of the Old World and fills a similar ecological niche due. It is the only surviving member of the family Antilocapridae. During the Pleistocene period, 12 antilocaprid species existed in North America. About five existed when humans entered North America 13,000...
more »

The pronghorn (Antilocapra americana) is a mammal unique to interior western and central North America. Though not an antelope, it is often called a pronghorn antelope, or simply antelope, as it closely resembles the true antelopes of the Old World and fills a similar ecological niche due. It is the only surviving member of the family Antilocapridae. During the Pleistocene period, 12 antilocaprid species existed in North America. About five existed when humans entered North America 13,000 years ago; all but pronghorn are now extinct. Lamar Valley, Yellowstone.
« less