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7 Terrifying Prehistoric Creatures That Once Roamed The U.SArctodus simus, also known as the short-faced bear, was likely the fastest bear ever to exist. Standing over 12 feet tall on its hind legs and weighing nearly a ton, it roamed North America’s ...
In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest and most powerful predators the world has seen, weighing an immense 900 kilograms and ...
From the large selection of avian and megafauna, we settled on: the Arctodus simus (North American Short Faced Bear), the Megalonyx jeffersonii (North American Jefferson Ground Sloth), the ...
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