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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Rattlesnake mating sessions have been known to last more than 22 hours.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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