a prehistoric organism.
What DID they eat. Sabre-tooth tigers were saber tooth tigers, and they're extinct. They ate a collection of Deer, Mammoth, Macharachinia and Carcass. Sources: Another Answers.com answer
Smilodon (if that's the one) are carnivorous, meaning they eat meat. They are fast, deadly hunters with serrated fangs good for killing with.The Smilodon had a wide range of mammal diet such as Deer, Mammoth, Macharachinia and Carcass.they origanally ate poo but sometimes ate their baby cubs.it ate smaller animals