Porcupine eating. (050618-0967)
Porcupine (Erethizon tidae) in snow. (SmallMammal058)
Porcupine (Erethizon tidae) in snow. (SmallMammal032)
Porcupine (Erethizon tidae) tracks at Great Sand Dunes National Park, San Luis Valley, Colorado. (Dunes085)
Porcupine baby (Erethizon tidae) gnawing on tree. (050618-0985)
Porcupine (Erethizon tidae). (SmallMammal025)
Porcupine face (Erethizon tidae). (SmallMammal033)
Porcupine (Erethizon tidae) resting in a tree. (SmallMammal031)
Porcupine baby (Erethizon tidae) on branch. (050618-1094)
Porcupine (Erethizon tidae) in Winter. (SmallMammal023)
Porcupine (Erethizon tidae) in tree. (SmallMammal034)
Porcupine (Erethizon tidae) in tree. (Dunes084)