A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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A 42-foot sperm whale has about 7 tons of oil in it.
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A group of unicorns is called a blessing.
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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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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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