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
Alligators can live up to 100 years.
337
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Mosquitoes don't just bite you, they also pee on you.
11
Penguins have a gland above their eye that turns saltwater into freshwater.
12