. . . . . . . . . "Erethizon dorsatum" . . "Picea rubens" . . "Kyle Jones. 2015. Erethizon dorsatum interaction->herbivore of Picea rubens. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1415325> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .