When you shave a guinea pig it looks like a little hippo.
19
Most of a hog's sweat glands are in its snout.
11
The Giant South African Earthworm can grow up to 22 feet long and 1 inch in thick.
37
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
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 42-foot sperm whale has about 7 tons of oil in it.
209
A fall of 30 feet can be survived by most cats.
10