Jellyfish as a species are actually older than dinosaurs and sharks.
383
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The colossal squid has the largest eyes in the world.
4
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
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
Cats and dogs can hear ultrasound.
350