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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The colossal squid has the largest eyes in the world.
4
When cats are happy, they may squeeze their eyes shut.
10
Condoms were originally made of animal intestines or linen.
347
When dragonflies mate, their tails form a love heart.
22
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Gorillas can catch human colds and other illnesses.
205