Prehistoric Cheetahs Locked in Battle

Cheetahs such as the snow leopard roamed the Americas thousands of years ago, hunting mountain goats in difficult terrain, according to fossil remains.

The big cat, the American cheetah, has long been extinct.

But a study has shed new light on the animals, formerly thought to be pumas, after cave fossils were found along the Grand Canyon.

In the new study, the researchers say they reviewed the fossils and now argue that the rancholabrian puma in the Grand Canyon—

That is, the designation of puma from about 250,000 years ago to 12,000 years ago is incorrect.

"We contend that there is no late Pleistocene record of P. concolor for the Grand Canyon,"

 the study reads Rather, the fossils may have belonged to the American cheetah.