Texas mammals

Western Bonneted Bat in Texas

Eumops perotis

Native to Texas S3 Vulnerable in Texas

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

Western Bonneted Bat in Texas, by the numbers

Rare in Texas 143rd most recorded of 197 mammals logged in Texas

62 occurrence records
3 with iNaturalist photos
Aug 14, 2020 Last seen in Texas

Records from 2000–2026.

62 total records count every Texas occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 43; the monthly chart covers the 43 records with a full observation date.

When to look for the Western Bonneted Bat in Texas

Most sightings fall in July.

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

Monthly Texas records (table)
MonthRecords
January4
February0
March0
April0
May3
June9
July17
August3
September6
October0
November1
December0

Monthly western bonneted bat occurrence records (iNaturalist and GBIF) in Texas, 2000–2026.

Seasonality

Year-round in Texas, with recorded sightings peaking in July.

Occurrence map

Where Western Bonneted Bat has been recorded in Texas

43 records mapped · zoom and drag to explore

43 Texas records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Big Bend National Park 4

Protected places with the most western bonneted 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 Texas

CountyRecords
Brewster County 26
Presidio County 13
Val Verde County 3
Midland County 1
Other localities 19

The complete county distribution, spread across 4 Texas counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Western bonneted bats are the largest bats in the United States, with ears so big they fuse into one bonnet across the forehead, and they need tall cliff faces to launch from since they can’t take off from the ground. Texas’s records cluster around Big Bend, Guadalupe Mountains, and the Davis Mountains, canyon country with exactly that kind of high rock face.

The 62 Texas records peak sharply in July, with smaller upticks in June and September, and the most recent sighting on record dates to 2020, older than most other Texas bat entries, suggesting this species gets looked for, and found, less often than its neighbors. Texas ranks it S3, vulnerable, a state-specific concern layered on top of its secure global status, worth remembering for a bat this rarely confirmed here in recent years.

Occurrence data from iNaturalist and GBIF.

More mammals in Texas 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"