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 ...

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.

Kadambari Deshpande and Vedant Barje have developed BatEchoMon, India's first automated bat monitoring system that is poised to revolutionise bat research in the country and worldwide.

To study insectivorous bats, researchers generally rely on handheld devices called bat detectors. Whenever a bat flies by, the detector’s microphone picks up the high-frequency sounds the ...