Learn how echolocation has shaped the skulls of bats that emit high-frequency sounds through their mouths and noses.

Bats are some of the most highly specialized mammals to have ever evolved. This includes not only the evolution of active flight, but also their echolocation. This ability requires the bats to produce ...

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

We may receive a commission on purchases made from links. Nothing can set your pulse racing like mysterious noises coming from somewhere in your home's rafters. Nothing, that is, except coming face to ...

"Lots of things fly at night," says Harlan Gough, a wildlife biologist with the U.S. Fish and Wildlife Service. Nightfall can set the stage for an acrobatic high-stakes drama in the air — a swirl of ...

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 ...

Deep into the Panamanian night, the forest hums with sound. Chirping insects form a steady backdrop, rain softly trickles from leaves. Somewhere above ...