The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Parrot parents "name" their children with a signature call.
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