UCL, GRANT MUSEUM OF ZOOLOGY / SCIENCE PHOTO LIBRARY UCL, GRANT MUSEUM OF ZOOLOGY / SCIENCE PHOTO LIBRARY
Porcupine quills. Quills from a strip of pelt of a porcupine (Hystrix sp.). The porcupine is a rodent which has defensive quills on its back and flanks. When threatened, the porcupine stands them on end, making itself look larger. It may also rattle the hollow quills on its tail. If cornered, it may run at attackers, or take refuge in its burrow, spines outwards.
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