PBS Nature: Fortress of the Bears
- Documentary follows the life of 1,700 Alaskan brown bears, the largest grouping of bears in the world
- Set on Admiralty Island, part of Tongass National Forest in Alaska
- Shows how salmon-filled streams and an isolated, tough environment both sustain and protect the bear population
- Part of the long-running PBS series Nature
- Not rated
- Run time: 60 minutes on one disc
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