The largest earthworm on record was found in South Africa and measured 22 feet.
151
The cat brain weighs about 30g.
167
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Denmark has twice as many pigs as there are people.
66
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
When dragonflies mate, their tails form a love heart.
22