WILDLIFE -- Strength in Unity: The Cheetahs of the Serengeti Plain

In this second installment, we head back to the Serengeti plain after three years to document the growth of an unusual five-member coalition of cheetahs. The changes were startling. Whereas before, when a rigid hierarchy was enforced by the alpha male, this time we found a new leader had assumed control, and a spirit of cooperativeness had taken root among the five. And although it was generally assumed the members were unrelated, preliminary DNA testing has provided some surprising revelations.