Mentawi flying squirrel
Iomys sipora Chasen & Kloss, 1928
The mentawi flying squirrel (Iomys sipora) is a species in the family Sciuridae, order Rodentia. Recorded adults weigh 154.7 g to 155.8 g. Its IUCN Red List status is Endangered.
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Quick facts about the mentawi flying squirrel
- Weight
- 154.7 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- 2.51src for Young per litter or clutch
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Endangered (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the mentawi flying squirrel live?
Not recorded
What is the mentawi flying squirrel?
The Mentawi flying squirrel (Iomys sipora) is a species of rodent in the family Sciuridae. It is endemic to Indonesia where it is only known from the Mentawai Islands (Sipura and North Pagai). Its natural habitat is lowland tropical primary forest below 500 m (1,600 ft) above sea level. It is threatened by habitat loss.
From the Wikipedia article “Mentawi flying squirrel” (en.wikipedia.org/w/index.php?title=Mentawi_flying_squirrel&oldid=1361691029), 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 mentawi flying squirrel endangered?
The mentawi flying squirrel is listed as Endangered on the IUCN Red List: it faces a very 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 Endangered species.
How is the mentawi flying squirrel classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderRodentia
- familySciuridae
- genusIomys
- SpeciesIomys sipora Chasen & Kloss, 1928
Other names and names in other languages (8)
- Mentawai flying squirrelEnglish
- Mentawai flying squirrelEnglish
- poletucha mentavejskáCzech
- MentawaigleithörnchenGerman
- mentawainliituriFinnish
- シプラクサビオモモンガJapanese
- latawiórka mentawajskaPolish
- Ментавайская летягаRussian
Relatives of the mentawi flying squirrel
Other species in the same genus Iomys.

Javanese flying squirrel
Iomys horsfieldii
Common questions
Answered only where our data holds the answer.
How big is the mentawi flying squirrel?
An adult mentawi flying squirrel weighs 154.7 g, according to values recorded on Wikidata.
Is the mentawi flying squirrel endangered?
The mentawi flying squirrel is listed as Endangered on the IUCN Red List, meaning it faces a very high risk of extinction in the wild.
What kind of animal is the mentawi flying squirrel?
The mentawi flying squirrel (Iomys sipora) belongs to the family Sciuridae in the order Rodentia.
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 - 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). Mentawi flying squirrel (Iomys sipora). Retrieved from https://creaturedata.com/animals/mentawi-flying-squirrel
“Mentawi flying squirrel (Iomys sipora).” CreatureData, 2026, https://creaturedata.com/animals/mentawi-flying-squirrel.
@misc{mentawi_flying_squirrel_2026,
title = {Mentawi flying squirrel (Iomys sipora)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/mentawi-flying-squirrel},
note = {Data as of 2026-11-11}
}