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ek slash special offer. This is Scientific American 60 second science I'm

Christopher and Tagata humans can recognize 60 Second Science. Science. I'm Christopher Intagiato.

Humans can recognize each other by voice alone.

I sound different from other 60 Second Science supporters, for example.

In fact, lots of non-human animals, of all types, use voices to distinguish familiar

individuals, including frogs, fish, leemers, and penguins. And that unique audio fingerprint extends to a sound you may have heard in the

forest on occasion. The drumming of a woodpecker. Researchers recorded multiple drum rolls.

From four recorded multiple drum rolls from 41 great spotted woodpeckers, colorful red, white, and black

birds living in Polish forests.

They then used audio software to analyze them, and they found that the length

of the drum rolls and the spacing between beats varied enough from bird to bird to

tell the woodpeckers apart by drumming alone. The studies in the journal Ploss 1. The scientists say this

fact might be useful to woodpeckers in identifying each other and to conservation biologists,

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