Jeanine Butler, Writer Wilma TV /The Discovery Channel/BBC 2013

The Alaskan wilderness is one of the most remote places on the planet. It is the land of snowy mountains, winding rivers, dense forests, and more grizzly bears than anywhere else on earth.

Each year hordes of grizzlies come out of hibernation and are thrust together in a life and death frenzy of feeding, fighting and mating. Their drama culminates with the annual salmon run. Each grizzly bear must double their body weight in less than 6 months in order to survive the looming winter. These vulnerable grizzly bears face many obstacles on the road to survival.

Get Closer Than Ever Before to North America's Grizzly Bear

In order to capture the spectacle on film, a team of expert guides and wildlife filmmakers set out to live alongside the bears for the full five months that they are out of hibernation. With them they brought along years of experience and a profound respect for the bears. Specially designed camera gear filmed the bears in a new way and spy cams were rigged throughout a vast area lending an intimacy rarely seen.

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