Every Extinct Land Predator Explained in 19 Minutes

Every Extinct Land Predator Explained in 19 Minutes The most famous predator that ever lived wasn't a lion, wasn't a tiger — it was a cat with knives for teeth and a lifespan shorter than its own legend. Smilodon patrolled North and South America for nearly two and a half million years, built like a lion wrapped in extra muscle, with canine teeth stretching up to 28 centimeters — longer than your hand, curved like scimitars, and precise enough to kill surgically.