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with others. It’s best to assume there is more than one and you don’t know if it is the first or last in the group.
Tapping on the horn can help to alert the deer to your presence. Research has shown a series of short blasts seem to work best.
The deer-car collision hazard has opened up a whole new market deer alert whistles to keep the animals out of harm’s way. The devices attach to a vehicle and as the wind rushes through, they supposedly emit a sound that keeps deer away.
But the experts say the whistles only help the company selling them as research has shown them to be useless.
Bob Duncan, chief of the wildlife division, Virginia Commission of Game and Inland Fisheries, said he has found the whistles to be a “waste of money.” Defensive driving is the “alarm that works.”
He quotes research at the University of Georgia that found one of the devices made no sound between speeds of 25 mph and 50 mph. Georgia researchers previously found that white-tailed deer cannot hear frequencies significantly above those which a human can detect.
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