Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The cat brain weighs about 30g.
167
Cows can sleep standing up, but they can only dream lying down.
745
The oldest recorded elephant lived for 82 years.
213
Denmark has twice as many pigs as there are people.
66
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16