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 deaths
Hedgehogs 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 in three hedgehogs, a big factor in the much-loved mammal’s drastic decline across Europe over recent decades. Continue reading...
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