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
When you shave a guinea pig it looks like a little hippo.
19
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The elephant brain weighs about 6,000g.
274
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Dogs have been man's pet for over 14,000 years.
224