Life At The Limits

In the Amazon forest, animals must deal with high rainfall and periodic flooding, and find ways to survive. During the heat in Sri Lanka, predators must find food elsewhere when ponds dry out. In Namibia, the sand grouse, with scarce water in the pools.

Orangutans forage early in the day in the rainforests of Sumatra before the heat becomes unbearable. In the Yukon, chum salmon travel thousands of miles to spawn, leaving the grizzlies to gorge themselves on fresh fish and fatten up for the cold winter.

The highest and the lowest places of our planet also offer niches where life thrives. In Sri Lanka's cloud forest, discover the home of the bear monkey and rock python. On the island of Palau, discover how jellyfish survive extreme conditions.