Wild Heavyweights

It's the dry season in Zambia's Luangwa Valley, where some of the planet's largest animals live side by side. Elephants, buffalo, hippos, giraffes, and crocodiles--all weighing in at over a ton--need a constant supply of food and water to survive. But with temperatures regularly topping 120 degrees, resources are scarce and tensions are running high. Discover the ingenious strategies and amazing adaptations that help these heavyweights make it through the lean times in one of the hottest places in Africa.