Bats can sing (and echolocate)
Bats use echolocation to hunt. But they also sing to woo females and mark their territory. The recording you can listen to here […]
Tag Archives: bats
Ultrasonic
Human ears are limited. You can hear sound from 20 tot 20.000 Hertz. With this garment, the inaudible higher frequencies become perceivable. Only specific materials, actions, animals produce these ultrasonic […]