The call that comes back as a map A bat leaving its roost at dusk emits ultrasound pulses at frequencies between 20 and 200 kilohertz, well above the ceiling of human hearing, which tops out around 20 ...

Many species of bats use echolocation to avoid obstacles like tree branches and hunt small insects as they fly through the dark. But it turns out echolocation for bats is much more than just a ...

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Aya Goldshtein, Omer Mazar, and Yossi Yovel have spent many evenings standing outside bat caves. Even so, seeing thousands of bats erupting out of a cave and flapping into the night, sometimes in ...

P. kuhlii above a spectrogram of its echolocation sequence. Source: Eran Amichai, used with permission. Many bats navigate using echolocation—emitting high-frequency sound pulses and analyzing the ...