Idaho mammals

Western Meadow Vole in Idaho

Microtus drummondii

Native to Idaho SNR Unranked in Idaho

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

IUCN Red List status

NE – Not Evaluated

Not yet assessed against IUCN Red List criteria.

Western Meadow Vole in Idaho, by the numbers

Occasional in Idaho 77th most recorded of 123 mammals logged in Idaho

24 occurrence records
24 with iNaturalist photos

Records from 2000–2026.

When to look for the Western Meadow Vole in Idaho

Most sightings fall in February to March.

24 Idaho 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 Idaho records (table)
MonthRecords
January1
February3
March3
April1
May3
June2
July2
August2
September2
October1
November1
December3

Monthly western meadow vole occurrence records (iNaturalist and GBIF) in Idaho, 2000–2026.

Seasonality

Year-round in Idaho, with recorded sightings peaking in February–March, with a smaller rise in May–September and December.

Occurrence map

Where Western Meadow Vole has been recorded in Idaho

24 records mapped · zoom and drag to explore

24 Idaho records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Sawtooth National Recreation Area 1
Edson Fichter Nature Area 1

Protected places with the most western meadow vole 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 Idaho

CountyRecords
Bonneville County 4
Ada County 4
Bannock County 3
Butte County 2
Teton County 2
Canyon County 2
Nez Perce County 1
Blaine County 1
Caribou County 1
Bonner County 1
Latah County 1
Valley County 1
Jefferson County 1

The complete county distribution, spread across 13 Idaho counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Western meadow vole records in Idaho cluster around Deer Flat and Camas national wildlife refuges and the Snake River corridor’s wetland edges, though with only 24 total records the species is thinly documented across the state.

Reports scatter across six separate months, February through December, without a single dominant peak, a pattern that reflects how sparse the record is rather than year-round even activity. NatureServe has not yet assigned the species an Idaho rank, listing it SNR, Unranked, and the recent taxonomic split of some Microtus populations into this species may be part of why.

Occurrence data from iNaturalist.

More mammals in Idaho 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
  • USFSpublic domainnational-forest boundaries
  • USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"