Craziest Prehistoric Creatures You Won’t Believe Existed

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The animals of today kind of look like kittens compared to some of things that used to walk the Earth. You won’t believe the sheer size and viciousness of some of these creatures. Let’s just count our lucky stars humans didn’t begin evolution until after these guys went extinct, because otherwise we may not have made it this far.

Animals today are much smaller than they used to be, mainly because of mass extinctions and a lack of natural resources. But when they did have the room to thrive, boy did they thrive. Check out some crazy, over-the-top creatures that actually roamed the Earth.

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