Bats are the death metal singers of the animal world, research shows

Mammals can produce sound from ventricular folds, used by humans only for Tuvan throat singing and death metal grunting'

It has long been known Ozzy Osbourne has a taste for bats. But now it seems the mammals are also fans of his.

Bats greet each other with death metal growls, scientists have discovered, and possess a vocal range which far surpasses that of most humans.