Planet Carnivore

2. Shark

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

3. Polar Bears

“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.

4. King Bear

“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.