Date of this Version
Published in Wolves: Behavior, Ecology, and Conservation, edited by L. David Mech and Luigi Boitani (Chicago & London: University of Chicago Press, 2003), following page 110.
Wolves in Yellowstone National Park's restored population often must compete with grizzly bears at the carcasses of their kills. Especially after their first feeding at a kill, wolves tend to relinquish their kills to bears. Photograph by Doug Smith.
Elk are one of the most common prey of wolves in the northern Rocky Mountains of North America, primarily because in most areas they tend to outnumber other prey. This large bull standing his ground escaped this pack. Photograph by Doug Smith.
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