Cows can sleep standing up, but they can only dream lying down.
745
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
Denmark has twice as many pigs as there are people.
66
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The colossal squid has the largest eyes in the world.
4
The largest breed of rabbit is the Flemish Giant.
65
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5