Denmark has twice as many pigs as there are people.
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A scorpion can hold its breath for up to 6 days.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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