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  1. Learn about the quills of porcupines, hedgehogs, echidnas, thorny devil lizards, pufferfish, and sea urchins. See how they use their quills for defense, insulation, movement, and more.

  2. Examples of animals with quills include porcupines, hedgehogs, echidna, and tenrecs. Quills are a common feature of many animal species. They can be used for defense, camouflage, or temperature regulation. Some animals have very sharp quills that can pierce human skin, while others have quills that are more like bristles.

  3. Learn about 15 animals with quills, their characteristics, adaptations, and defense mechanisms. Discover how quills vary in form, function, and distribution among different species, from hedgehogs to spiny bandicoots.

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    • Hedgehogs. Scientific name (subfamily): Erinaceinae. Hedgehog quills are the most well-known type of quill, and they’re a great example of an effective defense system in animals.
    • Porcupines. Scientific name (families): Hystricidae and Erethizontidae. Porcupine quills are some of the longest quills in the animal kingdom, and they’re even thicker and longer than the quills of a hedgehog.
    • Spiny Mice. Scientific name (genus): Acomys. The hair of the spiny mouse is called guard hair, and it serves a purpose very similar to a hedgehog’s quills.
    • Armored Rats. Scientific name: Hoplomys gymnurus. Armored rats belong to a family called Echimyidae or spiny rats. They have soft fur with plenty of spines on the back and the sides, measuring up to 1.3 inches in length.
  5. Learn about the porcupine, a rodent with nearly 30,000 quills that can defend itself from predators. Find out its habitat, diet, reproduction and conservation status at the zoo.

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  6. animaldiversity.org › collections › spinesquillsSpines and Quills - ADW

    Learn about the evolution, function, and diversity of spines and quills, modified hairs that serve as defense, communication, and sensing in mammals. Explore the different types, shapes, and sizes of spines and quills in porcupines, hedgehogs, tenrecs, and rodents.

  7. Oct 14, 2021 · Learn about the four groups of mammals that have quills: hedgehogs, tenrecs, echidnas, and rodents. Discover the types, functions, and adaptations of their spikey coverings and how they differ from spines.

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