Sheldon, J. W., Yellowstone Ecological Research Center, 2048 Analysis Drive, Bozeman, Montana 59718, United States

• The Canadian Field-Naturalist Vol. 123 No. 3 (2009) - Notes
  Coyote, Canis latrans, Predation on a Bison, Bison bison, Calf in Yellowstone National Park
  Abstract  PDF