Joel Sartore / Photo Ark / North American porcupine (Erethizon dorsatum) turns around and then walks across the frame. Calgary Wildlife, Canada. Captive.
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Joel Sartore / Photo Ark / North American porcupine (Erethizon dorsatum) turns around and then looks at the camera. Then the animal lies down. Calgary Wildlife, Canada. Captive.
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Roland Seitre / North American porcupine (Erethizon dorsatum) feeding, captive in zoo. Occurs in North America.
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Roland Seitre / North American porcupine (Erethizon dorsatum) captive in zoo.Occurs in North America.
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Roland Seitre / North-American porcupine (Erethizon dorsatum) portrait, captive. Minnesota, USA.
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Roland Seitre / North-American porcupine (Erethizon dorsatum) portrait, captive. Minnesota, USA.
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Joel Sartore / Photo Ark / North American porcupine (Erethizon dorsatum) with paw raised, portrait, Denver Zoo. Captive.
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Joel Sartore / Photo Ark / Female North American porcupine (Erethizon dorsatum couesi) portrait, Southwest Wildlife Conservation Center. Captive.