After he retired, he decided to act on this fascination and built a simple bat detector. The simple bat detector uses frequency division to lower the bat’s chirping to a frequency we can hear.

But thanks to bat detectors, we can still pick up on it, and [Marcel] recently built a heterodyne bat detector himself. The bat detector (and an insight to the beauty of German language ...

but this guide outlines key details to look out for to identify five of our most common species, including echolocation calls (high-pitched sounds that bats use to navigate and hunt) for those with ...

A now completed government project to survey the local bat population has "revolutionised" the understanding of the mammals, organisers have said. The Bailiwick Bat Survey was commissioned by the ...

"Only species of the guild of edge space foraging bats are apparently not driven away from the water sites by the wind turbines." The scientists placed acoustic detectors at a total of 59 small ...

"Some of the woodland species, for example, have quiet calls so they're more difficult to pick up on bat detectors, and they can be hard to tell apart because their calls are quite similar," Mr ...