Oklahoma mammals

Fulvous harvest mouse in Oklahoma

Reithrodontomys fulvescens

Native to Oklahoma SNR Unranked in Oklahoma

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

Fulvous harvest mouse climbing through dry seed heads at nightFulvous harvest mouse partly hidden in dry brushFulvous harvest mouse moving through wet grass and low shrubsLive fulvous harvest mouse perched on a flowering stem at nightFulvous harvest mouse gripping a dry plant stem
Photo: Juan Cruzado Cortés · CC BY 4.0Fulvous harvest mouse climbing through dry seed heads at nightPhoto: Juan Cruzado Cortés · CC BY 4.0Fulvous harvest mouse partly hidden in dry brushPhoto: guppin · CC0Fulvous harvest mouse moving through wet grass and low shrubsPhoto: Juan Cruzado Cortés · CC BY 4.0Live fulvous harvest mouse perched on a flowering stem at nightPhoto: Juan Cruzado Cortés · CC BY 4.0Fulvous harvest mouse gripping a dry plant stem

Fulvous harvest mouse in Oklahoma, by the numbers

Common in Oklahoma 12th most recorded of 120 mammals logged in Oklahoma

1,274 occurrence records
4 with iNaturalist photos
Dec 20, 2024 Last seen in Oklahoma

Records from 2000–2026.

1,274 total records count every Oklahoma occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 1,260 records with a full observation date.

When to look for the Fulvous harvest mouse in Oklahoma

Most sightings fall in March to June.

1,260 Oklahoma occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly Oklahoma records (table)
MonthRecords
January69
February76
March136
April100
May146
June101
July79
August115
September118
October128
November121
December71

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

Seasonality

Year-round in Oklahoma, with recorded sightings peaking in March–June, with a smaller rise in August–November.

Occurrence map

Where Fulvous harvest mouse has been recorded in Oklahoma

300 records mapped · zoom and drag to explore

300 Oklahoma records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
CLO Lands 158
Eufaula Wildlife Management Area 6
Ouachita National Forest 6
Oliver's Woods 4
Fobb Bottom Wildlife Management Area 2
Lake Thunderbird State Park 1
Blue River Public Fishing & Hunting Area 1
Red Slough Wildlife Management Area & Waterfowl Refuge Portion 1

Protected places with the most fulvous harvest 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 Oklahoma

CountyRecords
Le Flore County 585
Washita County 177
Okmulgee County 94
Cleveland County 68
Comanche County 60
Payne County 49
Seminole County 36
Marshall County 30
McClain County 23
Murray County 22
Muskogee County 16
Greer County 11
24 other counties 103

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

In Oklahoma, fulvous harvest mice are associated mainly with the humid southeast, where tall grass and herbaceous cover border pine-hardwood forest. Ouachita National Forest, Beavers Bend, and Robbers Cave point visitors toward suitable country, but this tiny nocturnal mouse is not a realistic target for routine wildlife watching.

Records exist in every season and are strongest from August through October. Because most distribution evidence comes from surveys and collections, absence of a casual sighting says little about whether the species occupies a patch of cover.

Occurrence data from iNaturalist and GBIF.

Fulvous harvest mouse climbing through dry seed heads at night
Full species profile Fulvous harvest mouse Reithrodontomys fulvescens Size 8.1 cm3.2 in Weight 13 g0.5 oz Lifespan Up to 1.8 yr View the full profile

More mammals in Oklahoma 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"