Female kangaroos have three vaginas.
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cats recognise the voice of their owner, but never evolved to care.
22
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A group of pugs is called a grumble.
10
In Australia, there are spiders big enough to eat snakes.
20