How Effective Are Deer Whistles to Avoid Vehicle Collisions?

They're hyped as a great way to help drivers on roads, but how effective are deer whistles to avoid vehicle collisions and do they really work?

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How To Avoid Deer Accidents

Deer–Vehicle Accidents – Wildlife Illinois

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The Truth About Deer Whistle Effectiveness – Great North Gear

What Do You Do When You Hit a Deer in Montana?

Wildlife-Vehicle Collisions Are a Big and Costly Problem and Congress Can Help

8 Tips For Avoiding a Deer-Vehicle Collision

Tips to Help Drivers Avoid Deer Vehicle Accidents, Illinois Extension

Fall means more deer on the road: 4 ways time of day, month and year raise your risk of crashes

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