There are also units that combine both whistles in the same unit. Discounts are available for larger quantity orders. Personally, As far as I can see they work and cant hurt. Behavior of selected (i.e., focal) deer was recorded before and after being exposed to the test vehicle. Reply. In Oklahoma, we have lots of deer, so a deer whistle is a common appendage to our vehicles. In other words, the simulated sounds of deer whistles were no more effective than no sound at all. For this reason, Valitzski and her group tested the effectiveness of a range of pure-tone sounds for altering the behavior of whitetails along roadways for prevention of deer-vehicle collisions. “2. It is important to choose a deer whistle that is durable, valuable, and easy to install. Newer whistles are now battery powered and claim to be louder. Unlike other whistles that utilize 2 separate units to deter deer, this all-in-one whistle requires that only 1 whistle be mounted. ! Most were composed of frequencies between 1 kHz and 8 kHz. They all have deer whistles now! Compared to humans, the Heffners concluded whitetailed deer have better high-frequency hearing but poorer low-frequency hearing. Of course, you can never be too safe while travelling in your motorcoach, so every little bit helps. Unfortunately, most of these techniques have not been scientifically evaluated. During each test, an observer recorded deer behavior in response to one of six randomly selected treatments, including five different frequencies produced by the vehicle-mounted sound system as well as a control (no sound), as the vehicle was driven about 30 mph through the test area. I'm aware they quite likely don't work, but after hitting 3 deer in the last 7 years, I'll give it a try. Deer may have too little time to react as desired. Read more. The product that we have chosen are affordable and can be bought online from amazon. Previous page . In fact, I am unaware of any research demonstrating that deer are consistently frightened by a particular frequency or decibel level of sound — despite the claims made by manufacturers of such devices. Our deer whistles are easy to install and mount on a vehicle in just seconds. The two deer warning whistle attached on to the bumper with foam adhesive tape. When functioning as advertised, it’s important to recognize that deer whistles emit consistent, continuous sounds of equal intensity at one frequency. So there’s been more deer around and I figured I get a some deer warning whistles and put them on my Honda Clarity . advertised to give free deer whistles to as many who would install them until they hit ½ the cars in the county. Given their research experience, the Georgia-based researchers concluded the following: “Considering the challenges of producing sound at appropriate intensities and distances from a moving vehicle, deer hearing capabilities, human safety concerns, and our observed lack of behavioral responses of deer to sound treatments, auditory deterrents do not appear to be appropriate for prevention of deer-vehicle collisions.”, Gun Review Follow-Up: Another Look at the SIG P365, Gun Review: Mossberg International Silver Reserve II Over/Under Shotgun. The observers then scored changes in behavior as follows: Based upon the observed response of 319 deer, the researchers concluded the pure tones did not alter deer behavior in such a way as to prevent deer-vehicle collisions. At speeds over 35 mph air rushing through the Save-A-Deer Whistle emits a sound frequency which warns and may freeze deer, preventing them from moving into the path of your vehicle. Buy this deer whistle for your family and friends - anyone who could encounter a deer or a few! Remember, the Georgia group studied the effectiveness of pure tones, similar to vehicle-mounted deer whistles. [ INSTRUCTIONS ] It is ideal to install these deer whistles on the flat where the most air flow occurs, followed by grill, front bumper. Wipe the base of the deer whistle with rubbing alcohol to remove any manufacturing dust and grit. – Marie in St. Albert, Alta. This involved strategically placing electrodes on the head of drug-immobilized deer, testing the animal’s brain response to various sound frequencies and displaying the electrical responses on a monitor for analysis. Vehicle-mounted whistles — technically referred to as auditory deterrents, but more commonly called deer whistles — are probably one of the most popular. Our product is made in the U.S. with U.S. materials. 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