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 cats are happy, they may squeeze their eyes shut.
10
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
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The largest breed of rabbit is the Flemish Giant.
65