Gray wolves scare deer from roads, reducing dangerous collisions

In Wisconsin counties with wolves, deer-car accidents dropped, saving millions of dollars

gray wolf

Wisconsin counties where gray wolves (Canis lupus) moved back in experienced a substantial decrease in deer-vehicle collisions, leading to millions in savings.

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Gray wolves help keep North America’s deer populations in check, and by doing so, may provide an added benefit for people: curbing deer-vehicle collisions.