North American Porcupine - Alaska - USA (Erethizon dorsatum)
English: North American porcupine, Canadian porcupine
Deutsch: Urson, Baumstachelschwein, Nordamerikanischer Baumstachler
Italiano: ursone, porcospino nordamericano
Erethizon dorsatum at Silver Salmon Creek in Lake Clark National Park (Alaska, USA)
