Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Female kangaroos have three vaginas.
2
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
Whales and dolphins can't taste anything other than salt.
11
A cow produces around 200,000 glasses of milk in her lifetime.
373
Jumping fleas can accelerate 50 times faster than the space shuttle.
218