The Secret of the Savannah - Naturalist Chris Packham reveals how animals help balance the ecosystem and contribute towards the survival of the world's plains. He investigates how white rhinos in Kenya create essential nitrogen hotspots by trimming and fertilizing grass, how fruit-eating maned wolves control the Brazilian Cerrado, how the Australian outback is managed by rat kangaroos and bandicoots, and how termites are a worldwide source of protein.
