Eastern red bat
Lasiurus borealis (Müller, 1776)
The eastern red bat (Lasiurus borealis) is a species in the family Vespertilionidae, order Chiroptera. Recorded adults weigh 10.7 g to 13 g and live up to 2.58 years. Its IUCN Red List status is Least Concern.

Quick facts about the eastern red bat
- Weight
- 10.7 g – 13 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 2.58 yearssrc for Lifespan
- Diet
- Invertivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 80 dayssrc for Gestation
- Young per litter or clutch
- 3.06src for Young per litter or clutch
- Age at maturity
- 60.9 dayssrc for Age at maturity
- Litters or clutches a year
- 1src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Aerialsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the eastern red bat live?
Not recorded
What is the eastern red bat?
The eastern red bat (Lasiurus borealis) is a species of microbat in the family Vespertilionidae. Eastern red bats are widespread across eastern North America, with additional records in Bermuda.
From the Wikipedia article “Eastern red bat” (en.wikipedia.org/w/index.php?title=Eastern_red_bat&oldid=1323299193), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the eastern red bat endangered?
The eastern red bat is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.
How is the eastern red bat classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderChiroptera
- familyVespertilionidae
- genusLasiurus
- SpeciesLasiurus borealis (Müller, 1776)
Synonyms Vespertilio borealis
Other names and names in other languages (22)
- Eastern red bat.English
- Red batEnglish
- Red batEnglish
- netopýr rudohnědýCzech
- Rote FledermausGerman
- Gewöhnliche Rote FledermausGerman
- Östliche RotfledermausGerman
- Ανατολική Κόκκινη ΝυχτερίδαGreek
- Murciélago cola peluda rojizoSpanish
- Murciélago-cola peluda rojizoSpanish
- punalepakkoFinnish
- chauve-souris rousseFrench
- chauve-souris rousse de l'EstFrench
- Murin rouxFrench
- Vespertilio rosso orientaleItalian
- アカコウモリJapanese
- RødflaggermusNorwegian Bokmål
- Gewone Rode VleermuisDutch
- Mroczek rudyPolish
- Kosmatnik rdzawyPolish
- morcego vermelho orientalPortuguese
- Красный волосатохвостRussian
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataWoRMSIUCN Red List
Relatives of the eastern red bat
Other species in the same genus Lasiurus.

Southern red bat
Lasiurus blossevillii
Seminole bat
Lasiurus seminolus
Cinnamon red bat
Lasiurus varius
Greater red bat
Lasiurus atratus
Tacarcuna bat
Lasiurus castaneus
Jamaican red bat
Lasiurus degelidus
CompareEastern red bat vs Southern red batEastern red bat vs Seminole batEastern red bat vs Cinnamon red batEastern red bat vs Greater red bat
Common questions
Answered only where our data holds the answer.
How big is the eastern red bat?
An adult eastern red bat weighs 10.7 g – 13 g, according to values recorded on Wikidata.
Is the eastern red bat endangered?
The eastern red bat is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the eastern red bat live?
The eastern red bat has a recorded lifespan of 2.58 years.
How long is the eastern red bat pregnant?
The recorded gestation period is 80 days.
What kind of animal is the eastern red bat?
The eastern red bat (Lasiurus borealis) belongs to the family Vespertilionidae in the order Chiroptera.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Eastern red bat (Lasiurus borealis). Retrieved from https://creaturedata.com/animals/eastern-red-bat
“Eastern red bat (Lasiurus borealis).” CreatureData, 2026, https://creaturedata.com/animals/eastern-red-bat.
@misc{eastern_red_bat_2026,
title = {Eastern red bat (Lasiurus borealis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/eastern-red-bat},
note = {Data as of 2026-11-11}
}