Photo 2023989, (c) Rob Speiden, some rights reserved (CC BY-NC), uploaded by Rob Speiden

Attribution © Rob Speiden some rights reserved Uploaded by speiden Source iNaturalist Associated observations Photos / Sounds What North American Porcupine (Erethizon dorsatum) Observer speiden Date June 19, 2015 10:02 AM EDT Place York County, US-ME, US (Google, OSM) Date Added June 20, 2015 05:34 AM EDT Description cambium feeding on beech 2 IDs Research Grade View Sizes small medium large original