James Manfull

Follows the bears of Alaska's Katmai National Park as they bulk up for winter hibernation. Over 150 days, the bears battle the elements – and each other – using brains and brawn to consume three million calories and gain up to 200 pounds in Nature’s real-life survival show.

Traveling to the far corners of the world, we discover the extraordinary ways animals are adapting to our rapidly changing planet. We witness nature’s remarkable resilience, as our perception of evolution and its potential is forever transformed.

We follow veterinarian, "Dr. Marty" Haulena and his team of animal care specialists, on the seas off Vancouver, Canada, and in the Marine Mammal Rescue Centre, as they rescue, rehabilitate, and release iconic ocean animals.

A wildlife filmmaker tries to keep up with a Cheetah mom determined to keep her cubs alive.

Wildlife photographer Steve Winter and cameraman Bertie Gregory capture the lives of jaguars in the Pantanal of Brazil; a mother jaguar teaches her cub how to survive, while a male jaguar dives headfirst into a river to tackle a six-foot-long caiman.

In 2007, scientists from the Wildlife Conservation Society discovered there were an estimated 125,000 western lowland gorillas living in the remote forests of northern Congo. This find offers another chance to protect this endangered great ape and a first look at some unprecedented behaviour – including a knack for using tools. Now primatologist and National Geographic explorer Mireya Mayor ventures into the heart of the jungle to explore the great apes’ secret world. She gets a rare and intimate look into the family life of one gorilla group and witnesses individuals performing feats unexpected in the wild. Spectacularly photographed and featuring new scientific insight, Mystery Gorilla presents startlingly familiar animals like you’ve never seen them before.

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A rebel animal breaks from his pack and lives to be one of the oldest wolves in Yellowstone National Park.