Louisiana mammals

Eastern Red Bat in Louisiana

Lasiurus borealis

Native to Louisiana S4 Apparently Secure in Louisiana

Not listed as nonindigenous in Louisiana by USGS NAS; native to its Louisiana 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 Louisiana, by the numbers

Occasional in Louisiana 39th most recorded of 72 mammals logged in Louisiana

315 occurrence records
29 with iNaturalist photos
Apr 11, 2026 Last seen in Louisiana

Records from 2000–2026.

315 total records count every Louisiana occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 311 records with a full observation date.

When to look for the Eastern Red Bat in Louisiana

Most sightings fall in June to July.

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

Monthly Louisiana records (table)
MonthRecords
January11
February12
March12
April13
May18
June95
July96
August16
September11
October7
November7
December13

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

Seasonality

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

Occurrence map

Where Eastern Red Bat has been recorded in Louisiana

300 records mapped · zoom and drag to explore

300 Louisiana records mapped

Notable places to look

Park, forest, or monumentiNaturalist records
Little River Wildlife Management Area 1
Lsu Emory Smith Arboretum 1
State Capitol Park 1
Chicot State Park District II 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 Louisiana

CountyRecords
East Baton Rouge County 53
Jefferson County 27
Ouachita County 24
Washington County 21
Orleans County 15
West Feliciana County 13
Lafayette County 13
Claiborne County 12
Iberville County 11
Sabine County 11
Natchitoches County 10
Tangipahoa County 10
35 other counties 95

The complete county distribution, spread across 47 Louisiana counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Eastern red bats carry a NatureServe S4 apparently secure rank in Louisiana, though the species’ G3 global rank reflects broader range-wide vulnerability, largely from wind-turbine mortality during migration. The record leans overwhelmingly on GBIF (303 of 315 records), meaning acoustic and capture surveys, not casual sightings, document most of what’s known about this solitary, foliage-roosting bat here.

June and July together account for 191 of the 315 records, more than 60 percent of the entire year’s total, an extraordinarily concentrated summer peak that tracks the maternity-colony season, with the rest of the year settling to a low, steady baseline under 20 sightings per month.

Occurrence data from iNaturalist and GBIF.

More mammals in Louisiana 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"