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American porcupine (Erethizon dorsatum); Canadian porcupine (Erethizon dorsatum); North American porcupine (Erethizon dorsatum) | |||
Canada porcupine (Erethizon dorsatum) | |||
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American porcupines (Erethizon); Canadian porcupines (Erethizon); North American porcupines (Erethizon) |