Learn how Miocene fossils from the Mojave Desert reveal that pronghorn running adaptations developed long before high-speed cheetahs appeared in North America.
American pronghorns evolved speed millions of years before cheetahs, helping movement and survival in changing landscapes.
The fastest land animal in North America is the American pronghorn, and previously, researchers thought it evolved its speed ...
This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...
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