20,000 years ago, two American cheetahs fought to the death in a Grand Canyon cave

A new study of bones from the Grand Canyon reveals that this steep, rocky landscape was once a hunting ground for the extinct American cheetah.

20,000 years ago, two American cheetahs fought to the death in a Grand Canyon cave
A new study of bones from the Grand Canyon reveals that this steep, rocky landscape was once a hunting ground for the extinct American cheetah.