When you shave a guinea pig it looks like a little hippo.
19
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Gorillas can catch human colds and other illnesses.
205
The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
182