Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
The Basenji dog is the only dog that is not able to bark.
4
Cows can sleep standing up, but they can only dream lying down.
745
Sloths take two weeks to digest their food.
243