The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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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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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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