Porcupine (Erethizon dorsatum) gnawing on a pole, Denali NP, Alaska, France

erethizon dorsatum erethizon erethizontidae rodentia mammalia synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota erethizon dorsatum summer adult alone humor profile shot overview denali (national park) porcupine (erethizon dorsatum) erethizon biosphere reserve picket gnaw panel national park least concern (iucn) lc august tree species nobody adults single lonely only solo one lone funny humorous comical comicals profile sights profile sight profile shots profile view profile views side view overviews global sight global sights full length porcupines (erethizon dorsatum) biosphere reserves pickets stake post posts piles stakes gnawing eating away cut down corrode eat away gnawed notice panels notices national parks sensitive natural areas least concern species arboreal species arboreal with nobody temperate season seasons atmosphere stage of development individual enumeration shot alaska pacific states western united states united states of america north america america new world porcupine (erethizontidae sp) porcupine rodent mammal wild animal erethizontidae rodentia mammalia synapsida vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota environment protection environment management biodiversity management environment road marking transport signalitic object material low risk (iucn) lr iucn red list of threatened species species species particularity