Grizzly bears should stay on Endangered Species list, scientists say
December 13, 2013, 10:16 a.m. by Stephanie Pappas, LiveScience
Between tree-eating beetles, a lack of pine nuts and invasive fish, experts argue that there isn't 'a single positive trend' for grizzlies' survival.
How Yellowstone wolves are helping grizzly bears fatten up
July 29, 2013, 4:13 p.m. by Tia Ghose, LiveScience
The wolves are making sure that the bears have more berries to eat before hibernation season begins.
First wild polar-grizzly bear hybrid offspring discovered
May 23, 2010, 5:44 p.m. by Stephanie Rogers
DNA testing on a bear shot in Canada reveals that polar-grizzly bear hybrids are in fact interbreeding in the wild.
Assignment Earth: Beetles destroy pines in the Rockies
May 6, 2010, 5:32 p.m. by Meredith Darlington
Video: Beetles are killing countless whitebark pine trees, a major source of food for wildlife, including grizzly bears.