In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
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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.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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Condoms were originally made of animal intestines or linen.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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The colossal squid has the largest eyes in the world.
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