回声定位叫声通常为超声波——频率范围在20赫兹至200千赫兹之间，而人类的正常听力上限通常约为20千赫兹。即便如此，我们仍能听到某些蝙蝠（例如斑点蝠）发出的回声定位声。这些噪音类似于两颗圆形卵石相互撞击所产生的声音。总体而言，回声定位叫声的特征体现于 ...

Bats are fascinating animals, and despite all the myth and creepiness surrounding them, they really remind one more of a drunk bird lost in the night sky than the blood-sucking creature they’re ...

"So, in this case we had lots of audio files that were labelled by volunteers and bat experts who were able to tell us when a bit of an audio file corresponded to a bat call. "And so we took those ...

Bats use high-frequency sound as a tool. With their vocal cords, they bang out short, swift bursts through their nostrils or mouths, molding airwaves and interpreting the pattern changes that ...