What Do You Say?

September 7, 2018
HELLO Find out how ocean animals communicate.
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Humans use language to communicate. Animals communicate, too. Find out how.

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Some animals use sound. Each penguin has a special call. Other penguins hear the sound and know who is calling.

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Some animals light up. Jellyfish can make their bodies glow. They light up when a predator comes near. The light scares the predator away.

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Some animals use movement. Fiddler crabs wave their claws in the air. They do this to attract a mate.

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Some animals use color. An octopus changes its color. A light color means the octopus is friendly. A dark color means it is angry.

Did You Know?

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Dolphins don’t have ears. But they understand sounds made by other dolphins. How? Sound makes vibrations in water. Dolphins feel the vibrations in their jawbone.