Biologists to begin grizzly bear captures for research in Yellowstone
Will Yellowstone's grizzly bears remain forever isolated? - Casper, WY Oil City News
Cellphone snapshot of grizzly has Yellowstone tourist facing federal charges - ABC News
Court overturns federal authorization to kill 72 grizzlies near Yellowstone
Grizzly Bear - Yellowstone National Park (U.S. National Park Service)
Grizzly bear capturing begins today in Yellowstone National Park - East Idaho News
Grizzly Bear Monitoring Project Continues in Glacier Park - Flathead Beacon
U.S. may lift protections for Yellowstone, Glacier grizzly bears
Grizzly Bear Kills Hiker in Yellowstone - Yellowstone Guidlines