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 dinosaurs.
Did You Know?
The Macrauchenia sounds were actually those of a donkey. See more
The broken fang on Half-Tooth switches positions when he menaces The Brothers and later as he drives the terror bird away from its kill. See more
For forty million years, the plains of South America have been ruled by an awesome group of predators. The aptly named 'Terror Birds'.
[after a long pause
But recently all this has changed. A new breed of killer has arrived, one fierce enough to terrorize the Terror Birds. Smilodon, the famous saber tooth. The most powerful big cat of all time!