Smith, Douglas W., National Park Service, Yellowstone Center for Resources, P. O. Box 168, Yellowstone National Park, Wyoming 82190, United States

• The Canadian Field-Naturalist Vol. 118 No. 1 (2004) - Articles
  Unusual Behavior by Bison, Bison bison, Toward Elk, Cervus elaphus, and Wolves, Canis lupus
  Abstract  PDF