Scientists have revealed the secrets of the heavy metal roar of bats

Bats are known for making high-pitched calls that they use for echolocation. But bats are also capable of producing very low growling sounds much like the snarling sounds of metal singers — and now, scientists know how bats do it.

like metal singers, bat These lower frequencies are achieved using what are known as false vocal folds Jonas Hackansson (Opens in a new tab)a postdoctoral researcher studying bat vocalization at the University of Southern Denmark in Odense and the University of Colorado in Colorado Springs.

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