* Threatened or Endangered
North American Porcupine *
: Erethizon dorsatum
: Canada, Alaska and much of the northern and western United States, can also be found as far south as northern Mexico.
: Twigs, roots, stems, berries, leaves and tree bark
Size: Weight 4 to 7 lbs
: Weight 4 to 7 lbs.
: Least Concern
• Quite common in most of its range.
• Porcupines can be detrimental to nurseries but are selective in the trees they eat and generally doesn’t pose a threat to natural forest areas.
• At birth, porcupine quills are soft, but they quickly harden. This makes their greatest defense mechanism present, even for newborns.
• These large rodents can’t shoot their quills but, like hair on other mammals, some of the quills shed and may fly off when the animal is threatened and moves quickly.
• They are nearsighted, and sometimes considered dumb, but studies show that they can memorize intricate trails to good food sources.
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