wolf with scavengers sized

wolf with elk

When wolves were reintroduced into Yellowstone in the 1990s, researchers had a rare chance to study the top predators’ effects on the ecosystem after a long absence. They found that wolves help buffer the impact of deteriorating environmental conditions by providing food for scavengers. (Photo: Dan Hartman via PLOS Biology doi:10.1371/journal.pbio.0030132)

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wolf in yellowstone with elk

wolf with scavengers sized 22 January,2013Liza Gross