Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Two dogs were among the Titanic survivors.
262
A scorpion can hold its breath for up to 6 days.
19
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When dragonflies mate, their tails form a love heart.
22
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5