Cows can sleep standing up, but they can only dream lying down.
745
Only about 2% of the world population has green eyes.
36
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Lurch, a Watusi bull, had the largest horns in the world.
32
A cow produces around 200,000 glasses of milk in her lifetime.
373