Kansas mammals

Eastern Red Bat in Kansas

Lasiurus borealis

Native to Kansas S5B Secure in Kansas

Not listed as nonindigenous in Kansas by USGS NAS; native to its Kansas 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 Red Bat in Kansas, by the numbers

Occasional in Kansas 59th most recorded of 93 mammals logged in Kansas

468 occurrence records
53 with iNaturalist photos
Aug 22, 2025 Last seen in Kansas

Records from 2000–2026.

468 total records count every Kansas occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 458 records with a full observation date.

When to look for the Eastern Red Bat in Kansas

Most sightings fall in June to July.

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

Monthly Kansas records (table)
MonthRecords
January0
February1
March2
April8
May30
June189
July152
August44
September25
October7
November0
December0

Monthly eastern red bat occurrence records (iNaturalist and GBIF) in Kansas, 2000–2026.

Seasonality

Year-round in Kansas, with recorded sightings peaking in June–July.

Occurrence map

Where Eastern Red Bat has been recorded in Kansas

300 records mapped · zoom and drag to explore

300 Kansas records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Meade State Park 3
Woodson State Fishing Lake 2
Webster State Park 1
McPherson Valley Wetlands 1
Cheyenne Bottoms Wildlife Area 1
Tallgrass Prairie National Preserve 1
Crawford State Park Lake 1
Douglas State Fishing Lake And Wildlife Area 1

Protected places with the most eastern red bat 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 Kansas

CountyRecords
Douglas County 184
Greenwood County 56
Ellis County 26
Lyon County 26
Sedgwick County 19
Shawnee County 13
Atchison County 8
Johnson County 7
Bourbon County 7
Montgomery County 7
Riley County 6
Barton County 6
51 other counties 103

The complete county distribution, spread across 63 Kansas counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Eastern red bats don’t roost in caves or barns like many Kansas bats. They wrap themselves in leaves partway up a tree, curled tight enough that a hanging one can pass for a dead leaf, then unfurl at dusk to hunt insects over woods and water. That habit makes them hard to spot by eye, which helps explain why Kansas shows 451 GBIF records against just 53 iNaturalist observations: most of what’s known here likely comes from acoustic surveys and specimen work rather than photos.

Records cluster from June into August, with June alone accounting for 19 of the year’s sightings, more likely tracking when surveyors are out with mist nets and detectors than any true summer surge in numbers. Wooded river corridors and remnant tallgrass edges near state parks are good bets for encountering one, since standing timber along water is the roost structure the species needs. NatureServe ranks it secure in Kansas (S5B) even though its global rank (G3) reflects broader range-wide concern, a reminder that state and continental pictures can diverge.

Occurrence data from iNaturalist and GBIF.

More mammals in Kansas 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"