Big Cats

In Ruaha, Tanzania, lions form huge super prides in order to hunt giants. Among cats, lions are unusual, as they are the only one to live in groups. In numbers they find the strength and audacity to hunt the most formidable prey.

Following the nocturnal pursuits of the tiny black-footed cat in South Africa that stakes its claim to the title of the world's deadliest, and in remotest Mongolia the rarely seen Pallas's cat is at home with her kittens. Finally, in the Karoo of South Africa, the serval thrives amongst the futuristic landscape of Africa's biggest industrial complex.

Using high-tech collars, Professor Alan Wilson has discovered it is not straight line speed that's a cheetah's greatest weapon but their ability to brake, change direction and accelerate.