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 in three hedgehogs, a big factor in the much-loved mammal’s drastic decline across Europe over recent decades. Continue reading...
Več na: https://www.theguardian.com/environment/2026/mar/11/ultrasound-repellers-hedgehogs-roads-scientists