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A hippo has 40 teeth.

When you see a hippopotamus opening its mouth, it seems as though they have only four! But they actually have 40 teeth.

The incisors that you noticed, and the canines, get to be 18 inches long. Those are used primarily for defending their young and establishing a territory. The reason we can see them so well is that a hippo can open his mouth 180 degrees, in comparison to a human that can only open 45 degrees.
A hippo has a full set of twelve teeth

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10y ago

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