It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Bats sleep 18-20 hours per day.
5
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 male seahorse carries babies and 'gives birth' to them instead of the female.
7
The elephant brain weighs about 6,000g.
274
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A cow produces around 200,000 glasses of milk in her lifetime.
373