Jellyfish as a species are actually older than dinosaurs and sharks.
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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.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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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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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Alligators can live up to 100 years.
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