High-frequency ultrasound significantly reduces the size of the face and modifies the internal bones of the ear in bats.

Bats live in a world of sounds. They use vocalizations both to communicate with their conspecifics and for navigation. For the latter, they emit sounds in the ultrasonic range, which echo and enable ...

The image above is a spectogram of an evening bat call from the spring 2023 Evanston Campus Bat Walk. Since bat calls emit at a frequency too high for humans to hear, bats are identified according to ...

Deep into the Panamanian night, the forest hums with sound. Chirping insects form a steady backdrop, rain softly trickles from leaves. Somewhere above a stream, frogs call into the darkness. But I am ...