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 dragonflies mate, their tails form a love heart.
22
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109