Sharks have been on the planet longer than trees.
14
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Cows can sleep standing up, but they can only dream lying down.
745