ADW: Spines and Quills - quills adult porcupine

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North American porcupine - Wikipedia quills adult porcupine


Can porcupines shoot their quills at predators? Get the pointed truth, plus other fascinating facts about these prickly rodents.

The most distinguishing feature of the porcupine is its coat of quills. An adult porcupine has about 30,000 quills that cover all of its body.

Porcupines' quills, or spines, take on various forms, depending on the species, but all are modified hairs coated with thick plates of keratin.