What is the loudest animal on Earth?

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It's not a lion or an elephant.
It lives in the ocean, but it's not the blue whale.
It's the toothed whale from the story of Moby Dick.

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Answer: Sperm whale

Sperm whales produce clicks that can reach about 230 decibels underwater, making them the loudest animal on the planet. They use these clicks for echolocation to hunt squid in the deep ocean, and they can be heard for many kilometres. For comparison, a lion's roar is around 114 decibels, and a jet engine at close range is about 150.

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