Reference citation: GRAHAM, D.C. 1978. Grizzly bear distribution, use of habitats, food habits, and habitat characterization in Pelican and Hayden Valleys, Yellowstone National Park. Thesis, Montana State University, Bozeman, Montana, USA.
Source citation: Gunther KA et al. 2014 Dietary breadth of grizzly bears in the Greater Yellowstone Ecosystem. Ursus 25(1):60-72
