Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dogs have been man's pet for over 14,000 years.
224
Cows can sleep standing up, but they can only dream lying down.
745
A giraffe's kick is so powerful that it can decapitate a lion.
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