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?
Prior to the establishment of the National Park Service, the U.S. Army protected Yellowstone between 1886 and 1918. Fort Yellowstone was established at Mammoth Hot Springs for that purpose.