Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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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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Denmark has twice as many pigs as there are people.
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