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Atlantic spotted dolphin call

This is an image of sounds made by an Atlantic spotted dolphin, recorded near the Azores.

It both clicks and whistles. The clicks are represented by the straight lines radiating outwards. The sketchy black lines represent whistles, although these are lower in volume, so they could be from other dolphins.

Image: Science Photo Library/AguaSonic Acoustics

The songs of whales and dolphins can be beautiful to the ear. Now acoustics engineer Mark Fischer has created a way to make them visually pleasing too. What’s more, his technique captures more information about the sound than traditional ways of visualising whalesong.

Click Here to see and hear all ten images.

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