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 cat brain weighs about 30g.
167
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492