Early American humans hunted car-size armadillos and used their shells for houses.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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Cats recognise the voice of their owner, but never evolved to care.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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Female kangaroos have three vaginas.
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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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