This species lives a mostly solitary life; it was social distancing before social distancing was cool. Collect all 22 species on our handy Collector’s Card.


Conservation Status: Least concern

  • Erethizon dorsatum
  • Mass (average): 4.5 kg (female), 5.5 kg (male)
  • Length (average): 60-100 cm
  • Quills are soft when born, but harden in a few hours
  • Eat mostly bark, but also enjoy fruit, leaves, and springtime buds
  • Will rustle its quills and chatter its teeth when alarmed
  • Canada’s second largest rodent, exceeded only by the beaver