Niche separation of grizzly (Ursus arctos) and American black bears (Ursus americanus) in Yellowstone National Park

Robert Steele, Stephen V. Cooper, David M. Ondov, David W. Roberts, Robert D. Pfister, Forest habitat types of eastern Idaho-western Wyoming Gen. Tech. Rep. INT-144. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 122 p.. ,vol. 144, ,(1983) , 10.2737/INT-GTR-144

John Andrew Mack, Ecology of black bears on the Beartooth Face, south-central Montana Montana State University - Bozeman, College of Letters & Science. pp. 1- 132 ,(1988)

J. Rohlman, J. Beecham, A Shadow in the Forest: Idaho's Black Bear ,(1994)

Karyn D. Rode, Charles T. Robbins, Lisa A. Shipley, Constraints on herbivory by grizzly bears Oecologia. ,vol. 128, pp. 62- 71 ,(2001) , 10.1007/S004420100637

Bruce N. McLellan, Fred W. Hovey, The diet of grizzly bears in the Flathead River drainage of southeastern British Columbia Canadian Journal of Zoology. ,vol. 73, pp. 704- 712 ,(1995) , 10.1139/Z95-082

Fred S. Guthery, Kenneth P. Burnham, David R. Anderson, Model Selection and Multimodel Inference: A Practical Information-Theoretic Approach The Journal of Wildlife Management. ,vol. 67, pp. 655- ,(2003) , 10.2307/3802723

Charles C. Schwartz, Shannon Podruzny, Steven L. Cain, Steve Cherry, Performance of Spread Spectrum Global Positioning System Collars on Grizzly and Black Bears Journal of Wildlife Management. ,vol. 73, pp. 1174- 1183 ,(2009) , 10.2193/2008-514

Owen T. Nevin, Barrie K. Gilbert, Perceived risk, displacement and refuging in brown bears:positive impacts of ecotourism? Biological Conservation. ,vol. 121, pp. 611- 622 ,(2005) , 10.1016/J.BIOCON.2004.06.011

Michael E. Jacoby, Grant V. Hilderbrand, Christopher Servheen, Charles C. Schwartz, Stephen M. Arthur, Thomas A. Hanley, Charles T. Robbins, Robert Michener, Trophic Relations of Brown and Black Bears in Several Western North American Ecosystems The Journal of Wildlife Management. ,vol. 63, pp. 921- 929 ,(1999) , 10.2307/3802806

B.J. Worton, A review of models of home range for animal movement Ecological Modelling. ,vol. 38, pp. 277- 298 ,(1987) , 10.1016/0304-3800(87)90101-3