An Octopus has 3 hearts. See more

It has been calculated that a single breath from a mature blue whale can inflate up to 2000 balloons. See more

Scorpions can be killed by pouring vinegar over them. See more

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

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

The typical laboratory mouse runs 2.5 miles per night on its treadmill. See more

There are as many chickens on this planet as humans. See more

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

Baby elephants can drink over 80 litres of milk a day. See more

A crocodile cannot stick its tongue out. See more

The original name for the butterfly was flutterby! See more

Blue and fin whales can create the loudest sound by animals ever recorded. See more

Starfish haven't got brains. See more

You are 3 times more likely to be killed by a flying champagne cork than you are to be killed by the bite of a venomous spider. See more

The cockroach has a high resistance to radiation and is the creature most likely to survive a nuclear war. See more

Ostriches stick their heads into the sand to find underground drinking water. See more