An aging lioness and her pride struggle to survive in an isolated volcanic crater in East Africa.

A great white shark stealthily stalks her prey—jackass penguins, fur seals and cape gannet—in South Africa’s False Bay.

“Binne” the polar bear is on the prowl for seals in the Arctic Norwegian islands. This spring, however, is strangely warm and seals are nowhere to be found.

“Tuyuq,” a powerful Alaskan brown bear, has ruled his turf for 10 seasons. But a young challenger steps up and Tuyuq must fight to remain king bear.