The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
When dragonflies mate, their tails form a love heart.
22
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23