hedgehog

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A hedgehog is any of the spiny mammals of the subfamily Erinaceinae, in the order Erinaceomorpha. There are seventeenspecies of hedgehog in five genera, found through parts of Europe, Asia, Africa and New Zealand (by introduction). There are no hedgehogs native to Australia, and no living species native to the Americas. Hedgehogs share distant ancestry withshrews (family Soricidae), with gymnures possibly being the intermediate link, and have changed little over the last 15 million years.¬†Like many of the first mammals, they have adapted to a nocturnal way of life.¬†Hedgehogs’ spiny protection resembles that of the unrelated rodent porcupines and monotreme echidnas. source

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