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This is Scientific Americans 60 Second Science.

I'm Karen Hopkins.

Ask anyone what an elephant sounds like, and they'll come up with something like this.

But some elephants can also do this.

And researchers using an acoustic camera that converts sounds into colors have figured

out how. The findings appear in the journal BMC Biology. Elephants actually have a few ways

they can get their message across. In addition to the traditional trumpet, they also communicate

using a rumble whose pitch is often too low for humans to hear.

But then the Asian elephant and the Asian elephant only produces ridiculously high-pitched squeaks

that seem to come rather from a mouse than from an animal the size of an elephant.

Veronica Bigg of the University of Vienna. She and her colleague set out to locate the source of

these unusual chirps. The only idea that was out there so far was that elephants produce

squeaks in the same way as they produce the trumpets.

That is, using their trunk.

So we started out with just observing the facial movements and posture of Asian elephants when they squeak.

First up, a group of 14 adult females at an elephant camp in Nepal.

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