Call adjustments help bats keep their echolocation signals distinct, study finds
Bats can produce ultrasonic pulses with high frequencies between 20,000 and 120,000 hertz, which are inaudible to humans. The sound waves they produce travel forward, hitting nearby objects and bouncing back in the form of echoes.
原文出处：Phys.org （本文由聚合程序自动采集，版权归原作者所有）