Kansas mammals

Mexican Free-tailed Bat in Kansas

Tadarida brasiliensis

Native to 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.

Mexican Free-tailed Bat in Kansas, by the numbers

Occasional in Kansas 52nd most recorded of 93 mammals logged in Kansas

72 occurrence records
1 with iNaturalist photos
Aug 21, 2023 Last seen in Kansas

Records from 2000–2026.

72 total records count every Kansas occurrence from GBIF and iNaturalist; the monthly chart covers the 69 records with a full observation date.

When to look for the Mexican Free-tailed Bat in Kansas

Most sightings fall in September.

69 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
February0
March6
April0
May1
June5
July5
August8
September40
October3
November1
December0

Monthly mexican free-tailed bat occurrence records (iNaturalist and GBIF) in Kansas, 2000–2026.

Seasonality

Year-round in Kansas, with recorded sightings peaking in September.

Occurrence map

Where Mexican Free-tailed Bat has been recorded in Kansas

72 records mapped · zoom and drag to explore

72 Kansas records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Meade State Park 1

Protected places with the most mexican free-tailed 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
Barber County 37
Comanche County 9
Ellis County 5
Finney County 2
Meade County 2
Gray County 2
Graham County 1
Ford County 1
Pratt County 1
Harper County 1
Riley County 1
Sumner County 1
9 other counties 9

The complete county distribution, spread across 21 Kansas counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Mexican free-tailed bats are famous elsewhere for pouring out of caves and highway bridges in dense evening streams of hundreds of thousands, but nothing in the Kansas record suggests anything like that here. NatureServe doesn’t assign the species a conservation rank in the state at all (SNA), a status usually reserved for animals without a confirmed breeding population, fitting a handful of scattered, likely transient records rather than an established colony.

Only 5 sightings appear on file, with 4 of them in August, consistent with the timing when this fast, high-flying insect hunter is most likely to wander north from larger colonies in Oklahoma and Texas during warm-weather foraging or migration. Cheyenne Bottoms, Quivira National Wildlife Refuge, and nearby playa wetlands offer open water and insect-rich air space this species hunts over at high speed, even without the cave or bridge roosts that support its huge southern colonies.

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"