Iowa mammals

Plains Spotted Skunk in Iowa

Spilogale interrupta

Native to Iowa S1 Critically Imperiled in Iowa

Not listed as nonindigenous in Iowa by USGS NAS; native to its Iowa range.

IUCN Red List status

NE – Not Evaluated

Not yet assessed against IUCN Red List criteria.

Plains Spotted Skunk in Iowa, by the numbers

Occasional in Iowa 39th most recorded of 74 mammals logged in Iowa

17 occurrence records

Records from 2000–2026.

17 total records count every Iowa occurrence from GBIF and iNaturalist; the monthly chart covers the 11 records with a full observation date.

When to look for the Plains Spotted Skunk in Iowa

Most sightings fall in December.

11 Iowa occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence. Based on a small number of dated records; the seasonal pattern may not be representative.

Monthly Iowa records (table)
MonthRecords
January0
February0
March1
April3
May0
June0
July0
August0
September0
October0
November0
December7

Monthly plains spotted skunk occurrence records (iNaturalist and GBIF) in Iowa, 2000–2026.

Seasonality

Sparse observation record in Iowa; presence confirmed but timing of activity not well documented.

Occurrence map

Where Plains Spotted Skunk has been recorded in Iowa

17 records mapped · zoom and drag to explore

17 Iowa records mapped

Where it's recorded in Iowa

CountyRecords
Palo Alto County 4
Ringgold County 2
Mahaska County 2
Jasper County 2
Poweshiek County 2
Sac County 1
Adair County 1
Marion County 1
Louisa County 1
Johnson County 1

The complete county distribution, spread across 10 Iowa counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Iowa’s plains spotted skunk record has dwindled to a trace: 17 verified reports since 2000, thinly scattered across 10 counties with no real cluster. For a skunk that once lived comfortably around Midwest farmsteads, that thinness is itself the story. Records can’t prove how many are left, but a nocturnal animal this distinctive doesn’t stay hidden from trappers, cameras, and headlights for long.

A faint northern tilt

Palo Alto County, up in the northwest pothole country, leads with 4 records, and the rest sprinkle across central and southern Iowa from Ringgold to Louisa. The habitat suggestions point the same direction: the Upper Mississippi River refuge bottoms, DeSoto’s river wetland, and the prairie pothole wetlands that still dot the state’s north. Broken grass, brushy edges, and old outbuildings are what this skunk wants, and Iowa keeps less of that mosaic every decade.

A winter-weighted calendar

Seven of Iowa’s 17 reports landed in December, and none at all between May and October. Part of that is the skunk’s own habits: in cold weather it dens near barns and farm buildings, which puts it in front of people far more often than in summer, when it hunts rodents and insects out in the grass. Where people look and when they look still shapes what ends up in the record.

Status in Iowa

NatureServe ranks the plains spotted skunk S1, critically imperiled, in Iowa, and the species holds a G3, vulnerable, grade globally. It’s native here, not an introduction fading out. Every fresh, documented report from the state now feeds directly into how biologists judge whether this skunk is hanging on or slipping away.

Occurrence data from GBIF.

Plains Spotted Skunk in other states

More mammals in Iowa 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
  • NatureServe ExplorerCC-BYthe state conservation rank
  • IUCN Red Listattributed factthe global conservation status
  • USGS NASpublic domainnative / introduced status
  • Natural Earthpublic domainthe relief basemap