You'd think any mammals around during the Age of the Dinosaurs would cower in the shadows of these giant lizards. But then you find out about a badger-like creature called Repenomamus. It was the biggest mammal of its time, and it liked to casually chow down on...dinosaurs! Yes, raptors would run away in fear of this behemoth badger! Plenty more little-known animals of ancient times you'll be glad are long extinct! 😨

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