Bats utilize bisonar and echolocation to locate, and subsequently, hunt moths. A study by PNAS utilized acoustic topography to discover that moths have a repeating pattern of scales on their wings. They found that when sound waves were directed towards the wings, the echoes that bounced off were much fainter. This is advantageous to moths as it’s harder for bats to detect them. Some moths are also capable of detecting bat sonar. And when they hear the echolocation pings, they change direction to avoid being caught. Other moths will also send out jamming signals when they hear a bat squeak. This can be translated into stealth technology by changing the shape of aircraft wings or applying an extra coating to distort or absorb the electromagnetic radiation from radar.
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