As you might’ve already guessed the Raspberry Pi Pico Bat Detector and 384kHz full-spectrum recorder allows you to listen to the sonic chirps made by bats as they fly around. The PCB is now available ...

The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously can hear up to about 60 kHz, and ...

Bats are certainly cool creatures, but given the way that they flit about in the dark, they're not always the easiest things to see. If you've got the right equipment, however, you can detect their ...

[Roland Meertens] has a bat detector, or rather, he has a device that can record ultrasound – the type of sound that bats use to echolocate. What he wants is a bat detector. When he discovered bats ...

A researcher holds a pallid bat (Antrozous pallidus) in El Cañon de Guadalupe in Baja California, Mexico. (Veronica Zamora-Gutierrez / UCL/University of Cambridge) If you’re looking for bats, ...