A New Threat To Grizzly Bears

The grizzly bear has a new threat - the Mountain Pine Beetle that's wiping out its food source (Photo courtesy of the US Fish and Wildlife Service)

We’ve heard about a warmer climate affecting polar bears. Now, warmer weather seems to be threatening another kind of bear. Mark Brush reports on some tough times for Yellowstone’s Grizzly bears:

Info from the USDA on the beetle

An article on the grizzly bears

A story from TER on the beetle

Producer: Mark Brush
Release Date: May 11, 2009
Running Time: :51