Impressive Hippos Facts


19 votes - 89%
31
1. Hippos don't have sweat glands. They protect their skin with mucus, which stains their skin red.
17
2. Hippos are the closest living relatives to whales.

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3. Sound waves travel through a hippos jaws, allowing it to hear underwater.
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4. Hippos spend up to 16 hours a day in the water each day to avoid the glare of the sun

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