Nature

Fortress of the Bears

Season 30 Episode 6 | 50m 09s

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: 01/23/12 | Expires: 01/09/16

Major support for NATURE is provided by The Arnhold Family in memory of Henry and Clarisse Arnhold, Sue and Edgar Wachenheim III, The Fairweather Foundation, Charles Rosenblum, Kathy Chiao and Ken Hao, Sarah and Sandra Lyu in memory of Seung and Dorothy Lyu, The Lillian Goldman Charitable Trust, Dr. George Stanley and Sandra Caruso, Colin S. Edwards, Kate W. Cassidy Foundation, Filomen M. D’Agostino Foundation, Gregg Peters Monsees Foundation, Koo and Patricia Yuen, Seton J. Melvin, Sandra Atlas Bass, George D. Smith Fund, Inc., Dr. Coralyn W. Whitney Program Fund for Science and Nature, Bradley L. Goldberg Family Foundation, The Hite Foundation, Arlene and Milton D. Berkman, Paul H. Klingenstein and Kathleen R. Bole, Perpetual Kindness Foundation and Sun Hill Renewal Fund, Paul L. Tilley and Family, Kitty Hawks and Larry Lederman, and by Viewers Like You.