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
Two dogs were among the Titanic survivors.
262
Sharks, like other fish, have their reproductive organs in their chests.
248
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Cats sleep for 70% of their lives.
8
There are approximately three chickens for every human on Earth.
13