Yellowstone is home to two species of bears. The publications listed below have a wealth of information about bear safety, ecology, and management.
Hazards Affecting Grizzly Bear Survival in the Greater Yellowstone Ecosystem - 2010 (2.9 MB pdf)
Possible Grizzly Cub Adoption in Yellowstone National Park - 2008 (277 KB pdf)
Assessment of pesticide residues in army cutworm moths (Euxoa auxiliaris) from the Greater Yellowstone Ecosystem and their potential consequences to foraging grizzly bears (Ursus arctos horribilis) - 2006 (650 KB pdf)
Distribution of grizzly bears in the Greater Yellowstone Ecosystem in 2004- 2006 (154 KB pdf)
Grizzly bear-human conflicts in the Greater Yellowstone ecosystem, 1992-2000 - 2004 (208 KB pdf)
These pdf documents require Adobe Acrobat Reader (available free online) to be viewed or printed.
Did You Know?
Some groups of Shoshone Indians, who adapted to a mountain existence, chose not to acquire the horse. These included the Sheep Eaters, or Tukudika, who used dogs to transport food, hides, and other provisions. The Sheep Eaters lived in many locations in Yellowstone.