Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The reindeer is the only mammal that can see UV light.
17
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There are approximately three chickens for every human on Earth.
13
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18