Louisiana mammals

Northern Yellow Bat in Louisiana

Lasiurus intermedius

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.

Northern Yellow Bat in Louisiana, by the numbers

Rare in Louisiana 57th most recorded of 72 mammals logged in Louisiana

139 occurrence records
4 with iNaturalist photos
Jun 3, 2026 Last seen in Louisiana

When to look for the Northern Yellow Bat in Louisiana

Most sightings fall in July.

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

Monthly Louisiana records (table)
MonthRecords
January3
February2
March9
April8
May10
June34
July57
August7
September2
October2
November4
December1

Monthly northern yellow bat occurrence records (iNaturalist and GBIF) in Louisiana.

Seasonality

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

Occurrence map

Where Northern Yellow Bat has been recorded in Louisiana

139 records mapped · zoom and drag to explore

139 Louisiana records mapped

Where it's recorded in Louisiana

CountyRecords
East Baton Rouge County 44
Jefferson County 39
Orleans County 27
Lafourche County 6
St. Tammany County 3
West Feliciana County 3
St. Bernard County 2
Plaquemines County 2
Concordia County 2
St. Charles County 2
Terrebonne County 1
Franklin County 1
7 other counties 7

The complete county distribution, spread across 19 Louisiana counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

Louisiana has 139 documented records for the northern yellow bat, most of them GBIF entries rather than photographs, clustered around Kisatchie National Forest, Atchafalaya National Wildlife Refuge, and Jean Lafitte National Historical Park and Preserve.

Roosting in moss and palm fronds, not caves

Unlike cave-roosting bats, a northern yellow bat settles into clumps of Spanish moss or dead palm fronds hanging in a single tree, and Louisiana supplies that roost structure almost everywhere moss-draped live oaks or cabbage palmettos grow. Jean Lafitte’s bayou-edge hardwoods and Atchafalaya’s swamp-margin trees both offer exactly that kind of foliage roost, while Kisatchie’s upland pine forest is a less typical setting, likely used along hardwood draws and near water where moss-bearing trees still grow among the pines.

Hunting the water’s edge after dark

This bat forages low over water and along forest edges after dark, picking off flying insects, a habit that fits the bayou channels and swamp margins running through Jean Lafitte and Atchafalaya especially well.

Status in Louisiana

NatureServe ranks the northern yellow bat S4, apparently secure, and it’s native to Louisiana. USGS NAS doesn’t list it as nonindigenous, matching a species that has roosted in the state’s moss-draped hardwoods for as long as records go back.

Occurrence data from iNaturalist.

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