A tuna called the 'Blue Fin' can be sold for over $20,000 around the world. See more

A cow gives nearly 200,000 glasses of milk in her lifetime. See more

It is physically impossible for pigs to look up into the sky. See more

26% of all electric cable breaks and 18% of all phone cable disruptions are caused by rats. See more

A rat can last longer without water than a camel. See more

An octopus can change its shape and color to blend in with its surroundings. See more

An Octopus has 3 hearts. See more

The hairs on a polar bear are not white, but clear. They reflect light, so they appear white. See more

Starfish haven't got brains. See more