Wolves and Bison in Yellowstone National Park (IMAGE)

Utah State University

Wolves and Bison in Yellowstone National Park

Caption

In Yellowstone National Park, wolves cautiously stalk bison. Utah State University ecologists report wolves seldom hunt bison, though plentiful, because the latter is dangerous prey. Instead, wolves pursue elk, a scarcer yet safer target.

Credit

Daniel Stahler, NPS

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Please credit Daniel Stahler, NPS

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