The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
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Jellyfish as a species are actually older than dinosaurs and sharks.
383
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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