When you shave a guinea pig it looks like a little hippo.
19
There are approximately three chickens for every human on Earth.
13
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
A scorpion can hold its breath for up to 6 days.
19
Dolphins have names for one another.
18