Coyote, Canis latrans, Predation on a Bison, Bison bison, Calf in Yellowstone National Park

Sheldon, J.W., Reed, G., Burnett, C., Li, K. and Crabtree, R.L.

Canadian Field Naturalist, Vol. 123 Issue 3 pp. 260-261

2009

We observed a single adult male Coyote (Canis latrans) kill a Bison (Bison bison) calf in Yellowstone National Park. The predation is, to our knowledge, the only direct and complete observation of a lone Coyote capturing and killing a Bison calf. The bison calf had unsuccessfully attempted to ford a river with a group and subsequently become stranded alone in the territory of a six-year-old alpha male Coyote.

Patrick Cross2009