Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sharks, like other fish, have their reproductive organs in their chests.
248
Tigers can see 6 times better at night than humans.
305
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7