Minnesota mammals

North American Porcupine in Minnesota

Erethizon dorsatus

Native to Minnesota

Not listed as nonindigenous in Minnesota by USGS NAS; treated as native to its mapped Minnesota range.

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

North American Porcupine in Minnesota, by the numbers

Common in Minnesota 18th most recorded of 88 mammals logged in Minnesota

701 occurrence records
653 with iNaturalist photos
Jul 4, 2026 Last seen in Minnesota

Records from 2000–2026.

701 total records count every Minnesota occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 690 records with a full observation date.

When to look for the North American Porcupine in Minnesota

Most sightings fall in May.

690 Minnesota occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly Minnesota records (table)
MonthRecords
January64
February110
March42
April80
May138
June49
July37
August33
September30
October29
November37
December41

Monthly north american porcupine occurrence records (iNaturalist and GBIF) in Minnesota, 2000–2026.

Seasonality

Year-round in Minnesota, with recorded sightings peaking in May, with a smaller rise in February.

Occurrence map

Where North American Porcupine has been recorded in Minnesota

300 records mapped · zoom and drag to explore

300 Minnesota records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Miscellaneous 24
Superior National Forest 14
Chippewa National Forest 10
Fond Du Lac State Forest 4
Cloquet Valley State Forest 3
General C.C. Andrews State Forest 3
Saint Croix National Scenic Riverway 2
Iron Springs Bog State Scientific and Natural Area 2

Protected places with the most north american porcupine sightings, from the USGS Protected Areas Database plus named mountain ranges, good spots to look, not a full breakdown, so they don't sum to the total.

Where it's recorded in Minnesota

CountyRecords
St. Louis County 277
Carlton County 74
Crow Wing County 47
Lake County 39
Itasca County 38
Beltrami County 34
Aitkin County 30
Pine County 28
Cass County 25
Hubbard County 19
Becker County 17
Clearwater County 15
15 other counties 58

The complete county distribution, spread across 27 Minnesota counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Minnesota’s occurrence databases hold 701 porcupine records, and nearly all of them come from the northern third of the state, from Lake Superior’s North Shore through the Chippewa and Superior national forests. That’s a map of where people looked and reported, not a count of how many porcupines actually live in the Northwoods.

A tree-climber that lives on bark

In Minnesota’s conifer-hardwood forest, a porcupine spends much of the year up in aspen, basswood, and pine, stripping bark and clipping twigs once herbs and leaves die back. A single animal can return to the same den tree for years, and the stripped, gnawed trunks scattered through the Chippewa and Superior national forests are a familiar sign to anyone who works those woods. Rocky ledges and hollow conifers near the North Shore give it the denning cover it needs through a long northern winter.

Why sightings cluster in February and May

Records peak twice, once in February and again in May, and both line up with real behavior rather than one continuous season. Snow makes winter feeding sign easy to spot: fresh quill marks, gnawed bark, and tracks around a den tree stand out against white ground in a way summer growth never allows. By May, kits born after a roughly seven-month gestation start following their mothers out of the canopy, adding a second wave of visible activity before the porcupine settles back into its usual quiet, solitary routine.

Status in Minnesota

The porcupine is native to Minnesota, and USGS NAS doesn’t list it as introduced anywhere in the state. Minnesota hasn’t published its own NatureServe rank for the species, though the IUCN rates it Least Concern globally, reflecting a wide and stable range across northern North America.

Occurrence data from iNaturalist.

North American Porcupine in other states

View all states →

More mammals in Minnesota in the atlas

Data & sources

The data and visualizations on this page draw on these open sources:

  • GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
  • iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
  • IUCN Red Listattributed factthe global conservation status
  • USGS NASpublic domainnative / introduced status
  • Natural Earthpublic domainthe relief basemap
  • USFSpublic domainnational-forest boundaries
  • USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"