The hunters and the hunted - Attenborough, Richard, 1926-; British Broadcasting Corporation (Wilmette : Films Inc., 1981)
Naturalist David Attenborough explains how the spread of grass over the open plains permitted the evolution of many new mammals capable of digesting celluose. These animals in turn became food for the hunters. Shows many diverse hunting strategies from the straighforward chase of the sprinting cheetah to the cooperative social hunting of lions and hyenas.
Keywords: Predation (Biology).; Mammals -- Evolution