Ключевые слова: american, animal, baby, berry, black, bristle, brown, claws, closeup, defense, detail, dorsatum, eating, erethizon, erethizon dorsatum, erethizontidae, forest, gray, green, grey, herbivore, hystricidae, hystrix, log, mammal, nature, needle, north, point, pointy, porcupette, porcupine, prickly, quill, rodent, sharp, spike, spines, spiny, stick, texture, tree, warning, white, wild, wildlife, wood, zoo,