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Beetles Destroy Pines in the Rockies
At high elevations in the northern Rockies, mountain pine beetles are killing countless whitebark pine trees, a major source of food for wildlife including grizzly bears. (02:48)
Courtesy of: Assignment Earth
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Comments (1)
Did the beetles have a natural enemy that has become extinct? This is a catastrophe and here's hoping the reseeding can be done.
Posted by Margaret on April 8,2010 | 05:38 PM