Texas mammals

Canyon Bat in Texas

Parastrellus hesperus

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.

Canyon Bat in Texas, by the numbers

Occasional in Texas 106th most recorded of 197 mammals logged in Texas

584 occurrence records
53 with iNaturalist photos
May 3, 2026 Last seen in Texas

Records from 2000–2026.

584 total records count every Texas occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 580 records with a full observation date.

When to look for the Canyon Bat in Texas

Most sightings fall in June to July.

580 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
January27
February5
March37
April62
May66
June88
July146
August83
September25
October23
November14
December4

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

Seasonality

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

Occurrence map

Where Canyon Bat has been recorded in Texas

300 records mapped · zoom and drag to explore

300 Texas records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Big Bend National Park 32
Fort Davis National Historic Site 14
Franklin Mountains State Park 12
Black Gap Wildlife Management Area 11
Elephant Mountain Wildlife Management Area 8
Big Bend Ranch State Park 2
Enchanted Rock State Natural Area 2
Devils River State Natural Area 2

Protected places with the most canyon 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 214
Presidio County 134
El Paso County 60
Jeff Davis County 51
DeWitt County 48
Culberson County 24
Val Verde County 14
Hudspeth County 12
Garza County 5
Briscoe County 5
Lavaca County 3
Llano County 2
9 other counties 12

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

Canyon bats, the smallest bats in the country, turn up across Texas’s trans-Pecos canyon country at Big Bend, the Guadalupe Mountains, and the Davis Mountains, where rock walls hold the daytime roosting crevices this pale, tiny bat needs before it flutters out at the day’s last light.

Records here run overwhelmingly through GBIF rather than photographs, which tracks with a bat this small and fast being far easier to net or record acoustically than to photograph. Reports build steadily through spring and spike hard in July, with nearly a quarter of the year’s total landing in that single month, likely reflecting peak summer mist-net and acoustic survey season in the desert Southwest rather than a true midsummer population surge.

NatureServe ranks the species Vulnerable (S3) in Texas even though its global standing is Secure (G5), a gap that points to real state-level pressure on Texas’s canyon bat populations specifically. With 584 records since 2000, it lands as only an occasional find, more a reflection of how hard a bat this size is to detect than any true rarity.

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"