Lions are at risk of disappearing forever.

Cheetahs have already survived one extinction, estimated to have been around 10,000 years ago. Now, seen as a pest by farmers, and hunted vigorously, the cheetah is perilously close to a second exit.

Big Cat Survival traces the disastrous journey into near extinction for the Big Cats. Can these endangered species be saved? And what needs to be done? Scientists and conservationists review the prevailing wisdom of today. Planet Earth would not be the same without these keystone species.