Ten Tantalizing Truths About Animal Teeth

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Ten Tantalizing Truths About Animal Teeth

Ten Tantalizing Truths About Animal Teeth

The normal adult person has 32 teeth in their mouth, hopefully healthy and ready to chow down on some delicious food. But of the animal kingdom, humans do not have the most interesting teeth. Check out these ten facts about critters and their teeth to find out who’s got it good in the tooth department.

1. A beaver’s teeth are always growing. That means the little guys need to keep chewing on trees to keep the teeth from growing too long and actually injuring them. Even cooler, their teeth are self-sharpening. The front has more enamel which means the softer backside wears down faster, leaving a nice sharp edge.

2. Giraffes only have front teeth on the lower jaw.

3. Sharks lose teeth regularly when the tooth gets stuck in prey and breaks off. They’re replaced by the next row within a few days.

4. Most people think that narwhals have horns. In fact, they have an overgrown tooth.

5. Despite their small size, snails have up to 25,000 teeth on their tongues.

6. You can tell the age of a dolphin by looking at its teeth, which grow rings like trees. Unfortunately, you can only see the rings if you remove and section the tooth.

7. Bunnies typically go through two sets of teeth, just like humans. The difference? Bunnies usually lose the first set in utero.

8. Hippos only have 36 adult teeth. But there are times when they can have up to 40 teeth in their mouth at once. Some hippos retain their milk teeth into adulthood.

9. Mammals have teeth that are different shapes and sizes (canines for biting and ripping, molars for chewing), while most fish and reptiles have teeth that are all the same shape.

10. Male snowshoe rabbits show off for the ladies by fighting each other with their teeth in order to win a mate.

Related topics Animals, teeth
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