Despite its solitary-sounding name, the hermit crab lives in groups of a hundred or more. When a hermit crab outgrows a shell, they discard it for a new one. The others form a line and take turns trying on the old shell. Whoever takes that one sends along the shell they just replaced, and so on.

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10 Animals With Evolutionary Traits Plucked Straight Out of a Nightmare

From frogs that give birth through their mouths to crabs with 6-foot legs, these animals are some of the strangest you’ll hopefully never have to see. list, animals, nightmare, weird, creepy, interesting, strange, crabs, frogs, fish, insects, birds, mammals Besides just looking strange, these crabs