An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
When you shave a guinea pig it looks like a little hippo.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Cats sleep for 70% of their lives.
8
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21