Adorned with a tiny camera and microphone, Belle wings into the midst of bat swarms and records their many calls for the sake of science. This difference, Kloepper says, leaves bats better able to make subtle and layered tweaks to their calls.
Whereas a dolphin might change tempo or pitch, a bat has a slightly more nuanced repertoire to deal with the jamming. The result is bats not only can detect and track moving prey but also can sense the textures of different objects, says Erin Gillam, an associate professor of biological sciences at North Dakota State University who was not involved in the dolphin work. But the mystery of how bats pull off this jamming evasion remains. The dolphins are not left out either. Kloepper plans to expand on her work by challenging the chatty marine mammals with even more interference to see if they can still echolocate.
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Bats vs. Dolphins: Ultimate battle of sonar systems
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