Hippos enjoying in the water.
Hippos have unique skin that needs to be kept wet for a good part of the day. Staying out of the water for too long can lead to dehydration, so hippos try to remain in water during the day.
The hippopotamus or "river horse" is the third largest land mammal.
Hippos enjoying in the water. Hippos have unique skin that needs to be kept wet for a good part of the day. Staying out of the water for too long can ...
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