The elephant brain weighs about 6,000g.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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