Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A Giraffe has the same number of bones in its neck as a man.
36
A duck's quack doesn't echo, and no one knows why.
173
Sharks, like other fish, have their reproductive organs in their chests.
248
The Blue Whale's tongue weighs more than an adult elephant!
47
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151