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_M2B7458TD.tif
North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine or common porcupine, resting in the top of a large cottonwood tree in the last few minutes before sunset. Utah. November.
©Tom & Pat Leeson
North American porcupine, Erethizon dorsatum, Canadian porcupine, common porcupine, New World Porcupine, porcupine, porcupines, mammal, wildlife, animal, warm-blooded, quills, quill pig, fauna, herbivore, rodent, horizontal, North America, Rocky Mountains, Utah, cottonwood tree, rest, resting, sunset, leesonphoto, backlit