A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17