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
Tigers can see 6 times better at night than humans.
305
There are approximately three chickens for every human on Earth.
13
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14