- Experts found the fossilised remains of a skull at Natodomeri in northwest Kenya
- They believe it was closer in size to cave lion fossils than a modern lion's skull
- It is thought to belong to an extinct species of lion that was substantially larger
- Its size may be thanks to giant plant eating mammals that once roamed Africa
To calculate its size, which was far larger than modern lions, they looked at the remains of the creature's teeth and skull.