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 ancestor of all domestic cats is the African Wild Cat which still exists today.
12
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
Sloths take two weeks to digest their food.
243
Tigers can see 6 times better at night than humans.
305
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
The largest earthworm on record was found in South Africa and measured 22 feet.
151