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.