Denmark has twice as many pigs as there are people.
66
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a lizard known as the 'Jesus Lizard' that can run across water.
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