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Museum Minute: American Cheetah

The American cheetah is a prehistoric mammal that roamed Northern Wyoming in the Miocene and the Pleistocene Epoch. The American cheetah is thought to be the driving evolutionary force responsible of the speed of today’s pronghorn antelope.

The two organisms overlap in their history with the American cheetah going extinct at the end of the Pleistocene age (about 10,000 to 12,000 years ago) and the Pronghorn Antelope survived until today. The pronghorn antelope is the fastest animal in the Western hemisphere reaching and exceeding speeds between 50 to 70 miles per hour. Today there is no land animal known to keep up with the antelope. The leading theory is that this prehistoric cheetah is one of the few organisms that used to predate on the pronghorn antelope.

The Draper Natural History Museum at the Buffalo Bill Center of the West has an American cheetah skull cast. It was excavated from the Natural Trap Cave. This cave is located in the Bighorn Basin. It has yielded thousands of fossils exceeding 20,000 years of age. The reason being the cave is located underground, from the outside it’s just a 15 to 20-foot opening but the pit itself is about 80 to 85 feet deep.

This site, in particular, has accumulated so many bones and fossils of the organism because it’s suspected to be part of a natural migratory corridor. Besides the American cheetah fossil found, bones of mammoths, short-faced bears, lions, and camels have been found.

Kamila has worked for public radio stations in California, New York, France and Poland. Originally from New York City, she loves exploring new places. Kamila received her master in journalism from Columbia University. She has won a regional Murrow award for her reporting on mental health and firearm owners. During her time leading the Wyoming Public Media newsroom, reporters have won multiple PMJA, Murrow and Top of the Rockies Excellence in Journalism Awards. In her spare time, she enjoys exploring the surrounding areas with her two pups and husband.
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