Animal Instincts: Five Trumps One: The Cheetahs of the Serengeti Plain

The ingrained image of the cheetah is one of a solitary hunter running as fast as 100km per hour to chase down prey. But a discovery on the plains of East Africa is turning that image on its head: five non-related individuals living together and hunting as a pack, like lions. For the first time, cameras follow this unorthodox "brotherhood" up close to reveal the reason behind their cohabitation.