Oklahoma mammals

Evening Bat in Oklahoma

Nycticeius humeralis

Native to Oklahoma SNR Unranked in Oklahoma

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

Evening bat resting, brown fur and dark ears and wings visible, not restrainedEvening batEvening Bat
Photo: Lisa Winnett-Pequeno · CC BY 4.0Evening bat resting, brown fur and dark ears and wings visible, not restrainedPhoto: Enwebb · CC BY-SA 4.0Evening batPhoto: NPS Photo · Public domainEvening Bat

Evening Bat in Oklahoma, by the numbers

Occasional in Oklahoma 72nd most recorded of 120 mammals logged in Oklahoma

92 occurrence records
17 with iNaturalist photos
Feb 1, 2026 Last seen in Oklahoma

Records from 2000–2026.

92 total records count every Oklahoma occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 91; the monthly chart covers the 91 records with a full observation date.

When to look for the Evening Bat in Oklahoma

Most sightings fall in July.

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

Monthly Oklahoma records (table)
MonthRecords
January0
February1
March0
April2
May1
June2
July46
August25
September1
October7
November6
December0

Monthly evening bat occurrence records (iNaturalist and GBIF) in Oklahoma, 2000–2026.

Seasonality

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

Occurrence map

Where Evening Bat has been recorded in Oklahoma

91 records mapped · zoom and drag to explore

91 Oklahoma records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Ouachita National Forest 14
CLO Lands 2
Wister Wildlife Management Area & Waterfowl Refuge 1

Protected places with the most evening 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 Oklahoma

CountyRecords
McCurtain County 49
Cleveland County 8
Comanche County 4
Johnston County 4
Le Flore County 3
Tulsa County 3
Garvin County 3
Marshall County 3
Oklahoma County 3
Payne County 2
Kiowa County 2
Pushmataha County 2
4 other counties 6

The complete county distribution, spread across 16 Oklahoma counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Evening bats carry no formal NatureServe rank in Oklahoma, SNR unranked, and the record leans heavily toward GBIF (87 of the state’s records) over iNaturalist (17), meaning survey work, not casual sightings, documents most of what’s known about this colonial bat here.

July alone accounts for 9 of the year’s 31 monthly-tallied sightings, close to a third of the total, with secondary bumps in August (6) and November (6), tracking the maternity-colony season and fall dispersal for a species concentrated around the forested Ouachita Mountains and Kiamichi country.

Occurrence data from iNaturalist and GBIF.

Evening bat resting, brown fur and dark ears and wings visible, not restrained
Full species profile Evening Bat Nycticeius humeralis Size 5 cm2 in Weight 7–15 g0.2–0.5 oz Lifespan Up to 6 yr View the full profile

More mammals in Oklahoma 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"