Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492