Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Bats sleep 18-20 hours per day.
5
Squirrels forget where they hide about half of their nuts.
698
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12