Pumas cut deer-vehicle crashes by 67% on Washington's Olympic Peninsula

A new study from Washington State's Olympic Peninsula found that the presence of pumas corresponded with a 67% drop in the likelihood of a deer-vehicle crash and a 76% overall decline in road accidents over five years. The predators appear to discourage deer from approaching roads, directly improving traffic safety. The findings suggest that protecting large predators can deliver measurable benefits for human communities.

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