Penguins have a gland above their eye that turns saltwater into freshwater.
12
There's a rare breed of pig that looks like a sheep.
14
Condoms were originally made of animal intestines or linen.
347
A group of unicorns is called a blessing.
304
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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 most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2