Articulated 3D-printed Saber Tooth Tiger skeleton.

Fascinating Facts About the Saber-Toothed Cat, They Were Not Tigers: Despite their common nickname, they belong to an entirely extinct branch of felines (Machairodontinae) and are only distant cousins to modern tigers, lions, and leopards.

Surprisingly Weak Bites: Their jaw muscles were far smaller than a modern lion's, giving them a bite force only about one-third as strong.

Astonishing Jaw Gape: To make use of their massive fangs without breaking them, Smilodon could open its mouth up to 120 degrees—nearly double the 65-degree stretch of an African lion.

Fragile Weaponry: Their famous 7-to-11-inch long canine teeth were thin and surprisingly brittle. They were only driven into soft tissue to slice open a throat after the prey was fully pinned down.

Built for Wrestling, Not Chasing: They had short hind legs, massive shoulders, and a bobbed tail. This anatomy made them slow runners but powerful ambush wrestlers perfectly adapted to pinning down massive megafauna like bison and young mammoths.

Social and Caring Behavior: Thousands of fossils found at the La Brea Tar Pits show signs of severe, healed bone fractures. This proves they lived in social groups or packs that actively fed and protected injured members who couldn't hunt.