Alberto Pirrera

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Ermine moths are deaf, but have an intricate wing structure that protects them from bats by producing warning clicks when they fly. HWall/Shutterstock

We’ve found out how earless moths use sound to defend themselves against bats – and it could give engineers new ideas

Marc Holderied, University of Bristol; Alberto Pirrera, University of Bristol, and Rainer Groh, University of Bristol

The ermine moth’s wing structures are fascinating because they rely on a mechanism we teach our engineering students to avoid

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