The Greatest Mammal Migration, Waterhole: Africas Animal Oasis, BBC Earth

Witness the sensational sight of the world s largest mammal migration, as up to nearly one and a half million wildebeest travel across the Serengeti. Subscribe: Watch more: Planet Earth Blue Planet Planet Earth II Planet Dinosaur Waterhole: Africa s Animal Oasis In a worldfirst, remote cameras are halfsubmerged in a specially built waterhole in Africa. What secret animal behaviour and new science will be revealed Water is vital to all life, but how does an ecosystem evolve around a brandnew source Rigged with a stateoftheart camera system to film around the clock, this new waterhole in a waterstressed region in Tanzania doesnt just give a lifeline to wildlife. It also provides an extraordinary eyetoeye view of the action as animals including lions, baboons, elephants, giraffes and cape buffalo gather around it. As the seasons shif