A scorpion can hold its breath for up to 6 days.
19
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
Many hamsters only blink one eye at a time.
185
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Female kangaroos have three vaginas.
2
After eating, a housefly regurgitates its food and then eats it again!
16
A cat's jaws cannot move sideways.
194