Sloths take two weeks to digest their food.
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When you shave a guinea pig it looks like a little hippo.
19
A dork is a whale's penis.
327
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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