Jellyfish as a species are actually older than dinosaurs and sharks.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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Lurch, a Watusi bull, had the largest horns in the world.
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The reindeer is the only mammal that can see UV light.
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