Virginia mammals

Eastern Harvest Mouse in Virginia

Reithrodontomys humulis

Native to Virginia S5 Secure in Virginia

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

Eastern Harvest Mouse in Virginia, by the numbers

Common in Virginia 31st most recorded of 105 mammals logged in Virginia

209 occurrence records
6 with iNaturalist photos
May 16, 2025 Last seen in Virginia

Records from 2000–2026.

When to look for the Eastern Harvest Mouse in Virginia

Most sightings fall in April.

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

Monthly Virginia records (table)
MonthRecords
January2
February4
March21
April66
May31
June2
July32
August33
September15
October1
November1
December1

Monthly eastern harvest mouse occurrence records (iNaturalist and GBIF) in Virginia, 2000–2026.

Seasonality

Year-round in Virginia, with recorded sightings peaking in April.

Occurrence map

Where Eastern Harvest Mouse has been recorded in Virginia

209 records mapped · zoom and drag to explore

209 Virginia records mapped

Where it's recorded in Virginia

CountyRecords
Warren County 193
Orange County 4
Fauquier County 3
Clarke County 2
Essex County 1
Fairfax County 1
Powhatan County 1
Pittsylvania County 1
Washington County 1
Bedford County 1
Surry County 1

The complete county distribution, spread across 11 Virginia counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Almost all of Virginia’s eastern harvest mouse records come from GBIF specimen and trapping data, 206 of 212 total, with only a handful from iNaturalist photographs. That split makes sense for an animal barely a few inches long that spends its life buried in dense grass; researchers document it through live-trapping surveys far more often than anyone manages to photograph one in the field.

Reports spike hard in April, with 65 records that month alone, then fall to nothing by November and December. That pattern likely tracks when small-mammal survey crews are active in wet meadows and field edges, not a real gap in when the mouse is around.

The refuges tied to its Virginia range, Great Dismal Swamp and Back Bay among them, are exactly the kind of wet, grassy edge habitat this mouse depends on. NatureServe lists it as S5, secure across its Virginia range.

Occurrence data from iNaturalist and GBIF.

More mammals in Virginia 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