Emus and kangaroos cannot walk backwards.
26
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
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
A shrimp's heart is in its head.
32
A duck's quack doesn't echo, and no one knows why.
173
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
