Nebraska mammals

House Mouse in Nebraska

Mus musculus

Introduced to Nebraska

Nebraska's Mus musculus records are of an introduced species; it does not occur here as a wild native population.

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.

House Mouse in Nebraska, by the numbers

Occasional in Nebraska 38th most recorded of 95 mammals logged in Nebraska

166 occurrence records
37 with iNaturalist photos
Jun 21, 2026 Last seen in Nebraska

Records from 2000–2026.

166 total records count every Nebraska occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 165; the monthly chart covers the 164 records with a full observation date.

When to look for the House Mouse in Nebraska

Most sightings fall in April.

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

Monthly Nebraska records (table)
MonthRecords
January10
February1
March1
April36
May7
June25
July20
August15
September4
October8
November30
December7

Monthly house mouse occurrence records (iNaturalist and GBIF) in Nebraska, 2000–2026.

Seasonality

Year-round in Nebraska, with recorded sightings peaking in April, with a smaller rise in June and November.

Occurrence map

Where House Mouse has been recorded in Nebraska

165 records mapped · zoom and drag to explore

164 Nebraska records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Scotts Bluff National Monument 3
Nebraska National Forest 3
Missouri National Recreational River 1

Protected places with the most house mouse 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 Nebraska

CountyRecords
Cheyenne County 23
Scotts Bluff County 19
Lancaster County 17
Douglas County 13
Cherry County 11
Red Willow County 9
Richardson County 9
Sarpy County 6
Dundy County 5
Dawes County 4
Nuckolls County 4
Adams County 3
24 other counties 43

The complete county distribution, spread across 36 Nebraska counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

House mice are introduced commensal rodents in Nebraska, and NatureServe’s SNA rank, not applicable, reflects that introduced species don’t receive a state conservation status. The record leans heavily toward GBIF (156 records) over iNaturalist (37), suggesting trapping surveys, not casual sightings near buildings, drive most of what’s documented about this species here.

Records show two sharp spikes, April (36) and November (30), together more than a third of the year’s total, a pattern that likely reflects concentrated trapping efforts in those months rather than any real seasonal surge, since house mice breed indoors year-round regardless of outside conditions.

Occurrence data from iNaturalist and GBIF.

House Mouse in other states

More mammals in Nebraska 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"