Germany, 49 million years B.C. A day in the life of a small forest mammal cal...
Walking with Prehistoric Beasts
Season 1 Episode 5: Sabre Tooth
Paraguay, 1 million years B.C. A powerful Smilodon called Halftooth must survive on his own after being driven from his clan. South America is a bizarre world of giant sloths, car-sized armadillos and flightless birds the size of...