* The most famous, *Smilodon fatalis*, was about the size of a modern lion. It was approximately 8-10 feet long and weighed 400-1000 pounds.
* Other species, like *Smilodon gracilis*, were smaller and more slender, similar to a jaguar. They were about 5-6 feet long and weighed 150-200 pounds.
Here's a breakdown of some key features:
* Height: Smilodon fatalis stood about 3-4 feet tall at the shoulder.
* Length: From nose to tail, they were around 8-10 feet long.
* Weight: The average Smilodon fatalis weighed between 400-1000 pounds.
It's worth noting that the size of Smilodon also varied depending on the geographic location and time period.
Let me know if you have any other questions!