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Briefing: Ultrasound Repellers Could Keep Hedgehogs Off Roads, Scientists Hope

Strategic angle: Study shows animals hear very high frequencies, making it possible to design a deterrent to cut deaths.

Editorial StaffMarch 11, 20261 min read

Hedgehogs can hear high-frequency ultrasound.

Scientists aim to create deterrents to prevent road deaths.

Research highlights the potential for animal safety innovations.