10 Million Years Ago, This 23-Foot Crocodile Ruled Over a Swamp Full of Giants

In the wetlands of prehistoric Colombia, there was once a fearsome 4,000-pound, 23-foot-long relative of the crocodile with a bite that could probably chomp through a car. And it needed it, judging by fossil evidence indicating that the animals it ate were even bigger as the predator itself. It was called Purussaurus, and it was…