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
Dogs sometimes fake being sick to get attention.
26
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
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
When you shave a guinea pig it looks like a little hippo.
19
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12