Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cows can sleep standing up, but they can only dream lying down.
745
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
A cow produces around 200,000 glasses of milk in her lifetime.
373
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
