Cats sleep for 70% of their lives.
8
Lurch, a Watusi bull, had the largest horns in the world.
32
The oldest recorded elephant lived for 82 years.
213
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23