The pronghorn is North America’s fastest land animal, reaching speeds of 60 mph (97 km/h). But with no modern predator fast enough to catch it, why does it need such speed? The answer lies in ...

Twenty thousand years ago, a visitor to the American West would have encountered a ferocious menagerie. Lions harassed mastodons, saber-toothed cats pounced on horses, and short-faced bears defended ...

Learn about Yellowstone pronghorn and how NPCA is working with landowners, land managers, and volunteers to restore this iconic species. See more › For centuries, Yellowstone pronghorn have migrated ...