Ultrasound repellers could keep hedgehogs off roads, scientists hope
Study shows animals hear very high frequencies, making it possible to design a deterrent to cut deathsHedgehogs have been discovered to hear high-frequency ultrasound, raising hopes that they could be deterred from dangerous roads with ultrasound repellers.Vehicles are estimated to kill up to one...
<p>Study shows animals hear very high frequencies, making it possible to design a deterrent to cut deaths</p><p>Hedgehogs have been discovered to hear high-frequency ultrasound, raising hopes that they could be deterred from dangerous roads with ultrasound repellers.</p><p>Vehicles are estimated to <a href="https://www.sciencedirect.com/science/article/abs/pii/S0006320700000069">kill up to one in three</a> hedgehogs, a big factor in the much-loved mammal’s <a href="https://www.theguardian.com/environment/2024/oct/28/hedgehogs-near-threatened-red-list-decline-over-past-decade">drastic decline</a> across Europe over recent decades.</p> <a href="https://www.theguardian.com/environment/2026/mar/11/ultrasound-repellers-hedgehogs-roads-scientists">Continue reading...</a>
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