Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A cow produces around 200,000 glasses of milk in her lifetime.
373
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12