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
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A domestic cat can sprint at about 31 miles per hour.
274