The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Sharks have been on the planet longer than trees.
14