Cows can sleep standing up, but they can only dream lying down.
745
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A giraffe's kick is so powerful that it can decapitate a lion.
216