Here are the basics to getting past a deer’s ears - aka the “Rules of Sound Concealment.” A whitetail deer’s ears rotate like radar dishes in any direction to help them pinpoint the slightest noises. So, we know that the negative aspects of noise can impact your hunting success. Translation: Deer can collect vibrational soundwaves from any angle, making their hearing even more sensitive to any noise you make. Pinnae: Whitetails have large pinnae (the external ear) on their head, that they can rotate like radar dishes in any direction to pinpoint the slightest noise. Translation: You make noises you may not even know you’re making, but deer can hear them clear as a bell. Henry Heffner at the University of Toledo shows that deer can hear upwards of 54,000 hertz (humans hear up to 20,000 hertz, if lucky). Translation: The noise you make travels far, and deer hear it. In normal conditions, vibrations produced by walking in leaves and branches can conservatively travel 300-400 yards, and slight metal clanging (like when hanging stands and climbing sticks) up to a half-mile, all within a whitetail’s audible frequency range. Vibrations: From stepping on leaves and twigs to clanging equipment, vibrations are made that propagate (travel) through the present medium (air). Armed with some science, a few sound rules, and a new mindset, hunters can get past this lynchpin sense and take their stealth to the next level. With years of research, scientific testing, and loads of field observations, a new picture is emerging of the last great defense of whitetail deer - hearing. If hunters remain unseen with the newest camouflage products, and cannot be smelled with the latest in scent concealment, then what is the biggest factor keeping them from putting that big buck on the wall? The answer may be as obvious as the two large objects attached to every whitetail’s head that have not drawn much attention from the outdoor industry, or from hunters, in our modern era. However, despite all the products and promises, the advantage still belongs to the deer. In the area of stealth there has been an enlightenment, with HD camo draping every shoulder and scent-eliminating products overflowing backpacks. Gear improvements like faster bows and wireless trail cameras have definitely increased the odds of taking a good whitetail buck. During the past 30 years, hunters have seen many advancements that help them up their game.
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