Photo 28256, (c) Matt Muir, some rights reserved (CC BY), uploaded by Matt Muir

Attribution © Matt Muir some rights reserved Uploaded by muir Source iNaturalist Associated observations Photos / Sounds 2 photos What North American Porcupine (Erethizon dorsatum) Observer muir Date June 10, 2010 Place Kenai AK (Google, OSM) Date Added April 14, 2011 05:48 PM AKDT 1 comment 6 IDs Research Grade View Sizes small medium large original