A large wild pig from Africa with a muscular body, large head, and distinctive tusks that it uses to dig and defend itself.
From 'wart' (Old English 'wearte') plus 'hog' (Old English 'hogg'), named for the wart-like lumps on its face; the English name translates its descriptive African appearance.
Warthogs run backwards when threatened—a completely bizarre evolutionary strategy—and their front-loaded heavy head design means they're perfectly built to charge in reverse, which is why they're one of nature's most unexpectedly weird defense mechanisms.
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