Photo 31497911, (c) Matt Keevil, some rights reserved (CC BY-NC), uploaded by Matt Keevil

Attribution © Matt Keevil some rights reserved Uploaded by keevilm Source iNaturalist Canada Associated observations Photos / Sounds 4 photos What North American Porcupine (Erethizon dorsatum) Observer keevilm Date February 16, 2019 04:10 PM EST Place North Grenville, North Grenville, ON, CA (Google, OSM) Date Added February 16, 2019 04:53 PM EST Description In eastern white pine 4 IDs Research Grade View Sizes small medium large original