Millions of years ago, a terrifying beast stalked the woods and forests of prehistoric Earth. With teeth sharp enough to carve flesh from bone, it cast a sinister shadow across the land. But were the early relatives of man safe from this fearsome predator? Well, some experts believe that they too might have been on the menu.
When the Pliocene era began more than five million years ago, many strange and wonderful creatures walked the Earth. Although dinosaurs had long been extinct, they were soon replaced by great woolly mammoths, the armadillo-like Glyptodons and giant, flightless birds.