Kentucky mammals

Gray Bat in Kentucky

Myotis grisescens

Native to Kentucky S2 Imperiled in Kentucky

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

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

VU – Vulnerable

High risk of extinction in the wild.

Gray Bat in Kentucky, by the numbers

Occasional in Kentucky 42nd most recorded of 77 mammals logged in Kentucky

27 occurrence records
3 with iNaturalist photos
Aug 22, 2025 Last seen in Kentucky

When to look for the Gray Bat in Kentucky

Most sightings fall in January.

27 Kentucky occurrence records (iNaturalist and GBIF) by month of year. 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 Kentucky records (table)
MonthRecords
January9
February0
March1
April4
May0
June1
July3
August4
September2
October1
November0
December2

Monthly gray bat occurrence records (iNaturalist and GBIF) in Kentucky.

Seasonality

Year-round in Kentucky, with recorded sightings peaking in January.

Occurrence map

Where Gray Bat has been recorded in Kentucky

27 records mapped · zoom and drag to explore

27 Kentucky records mapped

Where it's recorded in Kentucky

CountyRecords
Barren County 9
Taylor County 4
Pulaski County 4
Edmonson County 3
Marion County 1
Whitley County 1
Meade County 1
Hart County 1
Adair County 1
Wayne County 1
Franklin County 1

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

Kentucky’s occurrence data hold 27 records of the gray bat, a species whose entire life ties to a small number of caves. That low count fits an animal that spends most of its time hidden underground, out of sight of casual observers.

Built around Mammoth Cave’s karst

Gray bats are cave obligates, and few places in their range carry more weight than the limestone cave systems of Kentucky’s Pennyroyal Plateau, where Mammoth Cave National Park sits. A colony there, or in a similar cave, depends on very specific conditions of airflow, temperature, and passage size. The bats then fly out each night to forage over the Green River and other waterways nearby, which is likely why records also turn up around Daniel Boone National Forest’s streams and the reservoirs at Land Between the Lakes.

A narrow margin between shelter and open water

This bat needs both pieces at once: a cave that meets its exacting roost requirements, and open water nearby where flying insects concentrate. Break either link, a blocked cave entrance, a silted stream, cleared riverside trees along its commuting route, and a colony that has used the same cave for generations can lose it fast.

Status in Kentucky

The gray bat is native to Kentucky and isn’t flagged as nonindigenous by USGS NAS. NatureServe ranks it S2, imperiled, reflecting a species whose fate in the state rests on a small number of well-guarded caves.

Occurrence data from GBIF.

More mammals in Kentucky 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