<human>:  Why did the Saber-toothed cat go extinct?
<bot>: The Saber-toothed cat went extinct because it was hunted to extinction by humans. It is estimated that there were about 20,000 of these cats living in North America about 12,000 years ago. Humans were the main reason for the extinction of the Saber-toothed cat. Humans hunted these cats for their meat and for their skins, which were used for making clothing.