Tennessee mammals

Cotton Mouse in Tennessee

Peromyscus gossypinus

Native to Tennessee S5 Secure in Tennessee

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

Cotton Mouse in Tennessee, by the numbers

Common in Tennessee 19th most recorded of 86 mammals logged in Tennessee

390 occurrence records

Records from 2000–2026.

390 total records count every Tennessee occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 382 records with a full observation date.

When to look for the Cotton Mouse in Tennessee

Most sightings fall in May.

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

Monthly Tennessee records (table)
MonthRecords
January11
February10
March35
April17
May109
June19
July45
August10
September17
October25
November78
December6

Monthly cotton mouse occurrence records (iNaturalist and GBIF) in Tennessee, 2000–2026.

Seasonality

Year-round in Tennessee, with recorded sightings peaking in May, with a smaller rise in November.

Occurrence map

Where Cotton Mouse has been recorded in Tennessee

300 records mapped · zoom and drag to explore

300 Tennessee records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Great Smoky Mountains National Park 23
Meeman-Shelby Forest Wildlife Management Area 21
Reelfoot Lake 14
Eagle Lake Refuge 11
Rock Island 9
Pickett State Forest 4
Natchez Trace State Forest 3
Shiloh National Military Park 3

Protected places with the most cotton 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 Tennessee

CountyRecords
Shelby County 47
DeKalb County 42
Marion County 38
Sevier County 36
Perry County 33
Hamilton County 32
Decatur County 32
Lake County 21
Gibson County 19
Haywood County 11
Warren County 9
Benton County 7
23 other counties 63

The complete county distribution, spread across 35 Tennessee counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Cotton mouse reports in Tennessee point toward the wooded wetlands of the western part of the state. Reelfoot Lake State Park, Hatchie National Wildlife Refuge, and Tennessee National Wildlife Refuge combine forest cover with swampy ground, brush, hollow logs, and other shelter this mouse can use from ground level into the trees.

Reports occur in every month, but May stands well above the rest, followed by another strong rise in November. That uneven pattern may reflect trapping schedules as much as mouse activity, especially because the Tennessee record comes from GBIF rather than iNaturalist observations. It doesn’t measure how many cotton mice live around each refuge.

More mammals in Tennessee 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"