Small spiny mammals that curl into a ball when threatened, found in Europe, Asia, and Africa. Plural of hedgehog; nocturnal creatures known for their protective spines and insectivorous diet.
From Middle English 'hegge' (hedge) plus 'hogge' (hog), dating to the 15th century. Named for their habitat in hedgerows and their pig-like snout and grunting sounds. The compound reflects medieval English speakers' practical approach to naming animals by their appearance and location.
Hedgehogs are living pincushions that have inspired one of philosophy's most famous metaphors - Isaiah Berlin's concept that people are either foxes (knowing many things) or hedgehogs (knowing one big thing). These adorable creatures have also become unlikely internet stars, proving that sometimes the most defensive animals make the most endearing pets.
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