Bare-backed rousette
Rousettus spinalatus Bergmans & Hill, 1980
The bare-backed rousette (Rousettus spinalatus) is a species in the family Pteropodidae, order Chiroptera. Recorded adults weigh 90.8 g to 92.3 g. Its IUCN Red List status is Vulnerable.
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Quick facts about the bare-backed rousette
- Weight
- 90.8 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Frugivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- 1src for Young per litter or clutch
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Vulnerable (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the bare-backed rousette live?
Not recorded
Is the bare-backed rousette endangered?
The bare-backed rousette is listed as Vulnerable on the IUCN Red List: it faces a high risk of extinction in the wild.
- 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 Vulnerable species.
How is the bare-backed rousette classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderChiroptera
- familyPteropodidae
- genusRousettus
- SpeciesRousettus spinalatus Bergmans & Hill, 1980
Other names and names in other languages (7)
- روزيتا عارية الظهرArabic
- kaloň velkotrnnýCzech
- Nacktrücken-RosettenflughundGerman
- sumatranronkkoFinnish
- Rossetto dal dorso nudoItalian
- トゲルーセットオオコウモリJapanese
- Rudawiec nagogrzbietyPolish
Relatives of the bare-backed rousette
Other species in the same genus Rousettus.

Egyptian fruit bat
Rousettus aegyptiacus

Leschenault's rousette
Rousettus leschenaultii

Geoffroy's rousette
Rousettus amplexicaudatus
Madagascan rousette
Rousettus madagascariensis
Sulawesi rousette
Rousettus celebensis
Comoro rousette
Rousettus obliviosus
CompareBare-backed rousette vs Egyptian fruit batBare-backed rousette vs Leschenault's rousetteBare-backed rousette vs Geoffroy's rousetteBare-backed rousette vs Madagascan rousette
Common questions
Answered only where our data holds the answer.
How big is the bare-backed rousette?
An adult bare-backed rousette weighs 90.8 g, according to values recorded on Wikidata.
Is the bare-backed rousette endangered?
The bare-backed rousette is listed as Vulnerable on the IUCN Red List, meaning it faces a high risk of extinction in the wild.
What kind of animal is the bare-backed rousette?
The bare-backed rousette (Rousettus spinalatus) belongs to the family Pteropodidae 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).
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). Bare-backed rousette (Rousettus spinalatus). Retrieved from https://creaturedata.com/animals/bare-backed-rousette
“Bare-backed rousette (Rousettus spinalatus).” CreatureData, 2026, https://creaturedata.com/animals/bare-backed-rousette.
@misc{bare_backed_rousette_2026,
title = {Bare-backed rousette (Rousettus spinalatus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/bare-backed-rousette},
note = {Data as of 2026-11-11}
}