Nature

Fortress of the Bears

Season 30 Episode 6 | 50m 9s

Alaska's Admiralty Island is home to an estimated 1800 brown bears, the largest concentration of bears in the world. Enter a world shaped by bears, trees, and salmon, and the delicate balance of their interconnected lives.

Aired: 01/24/12

Expired: 01/10/16

Rating: NR

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