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Pronghorn Antelopes in Yellowstone National Park |
"Although sometimes called antelope, pronghorn are not closely related to the animals of African plains. In fact they are so different from other hoofed animals that they are the only members of the family Antelocapridae. Their head ornaments set them apart from deer and elk whose branched, solid antlers are shed each year, and from goats and cattle whose hollow horns are made from hair and are not shed. Pronghorn have branched, hollow, hairlike horns that are shed annually. They are the only animal with this combination." source USFW  Proghorn Antelope are frequently found in the field outside the Gardner, Montana entrance to Yellowstone National Park. "True Americans, pronghorn are found only on the plains and grasslands of North America. Like bison, seemingly endless numbers once covered the west, stretching from Saskatchewan to just north of Mexico City. And like bison, they nearly became extinct. Populations declined from an estimated 30-60 million in the early 1800s to less than 15,000 by 1915." source USFW |
 Pronghorn Antelope buck near the Gardner, Montana entrance to Yellowstone National Park. Reference: |
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