Lurch, a Watusi bull, had the largest horns in the world.
32
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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
A cow produces around 200,000 glasses of milk in her lifetime.
373
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
Bats sleep 18-20 hours per day.
5