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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Jellyfish as a species are actually older than dinosaurs and sharks.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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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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