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Wolves scare deer and reduce collisions with vehicles 24%, University of Wisconsin researcher finds Christina Larson WASHINGTON - Ecologist Rolf Peterson remembers driving remote stretches of road in Michigan’s Upper Peninsula and seeing areas strewn with deer carcasses. But that changed after gray wolves arrived in the region from Canada and Minnesota. “When wolves moved in during the 1990s and 2000s, the deer-vehicle collisions went way down,” said the Michigan Tech researcher. Recently, another team of scientists has gathered data about road collisions and wolf movements in Wisconsin to quantify how the arrival wolves there affected the frequency of deer-auto collisions. They found it created what scientists call “a landscape of fear.”

United statesUniversity of wisconsinAdrian trevesDave mechJennifer raynorRolf petersonDominic parkerYellowstone national parkProceedings of the national academy sciencesUs department of transportationUs geologicalWesleyan universityUpper peninsulaMichigan techNational academyEndangered species act