Saber-toothed predators—best known from the infamous Smilodon—evolved multiple times across different mammal groups. A study titled "Functional optimality underpins the repeated evolution of ...

The three-year-old baby cat's head, forelimbs, torso ... The most widely known genus of sabre-toothed cats is Smilodon, the "sabre-toothed tiger." A large, short-limbed cat that lived in North ...