Saber-toothed kittens were born armed to pounce

SABER-TOOTHED TRIBE A woolly mammoth better beware as it passes by a family of saber-toothed cats (Smilodon fatalis) in this artist’s rendition.
Catmando/Shutterstock
SABER-TOOTHED TRIBE A woolly mammoth better beware as it passes by a family of saber-toothed cats (Smilodon fatalis) in this artist’s rendition.
Catmando/Shutterstock