Biologists attached tiny recording devices that looked like mini backpacks to bats. What they found revealed a surprising ...

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 ...

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