Brazilian squirrel
Sciurus aestuans Linnaeus, 1766
The brazilian squirrel (Sciurus aestuans) is a species in the family Sciuridae, order Rodentia. Recorded adults weigh 177.3 g to 185 g and live up to 8.07 years. Its IUCN Red List status is Least Concern.

Quick facts about the brazilian squirrel
- Weight
- 177.3 g – 185 gsrc for Weight
- Length
- Not recorded
- Lifespan
- 8.07 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- 2.3src for Young per litter or clutch
- Active
- By day (diurnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the brazilian squirrel live?
Not recorded
What is the brazilian squirrel?
The Brazilian squirrel (Sciurus aestuans), or Guianan squirrel, is a species of tree squirrel endemic to South America. It is found in south-eastern Colombia, Brazil, Guyana, French Guiana, Suriname and Venezuela.
From the Wikipedia article “Brazilian squirrel” (en.wikipedia.org/w/index.php?title=Brazilian_squirrel&oldid=1348279509), 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 brazilian squirrel endangered?
The brazilian squirrel 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 brazilian squirrel classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderRodentia
- familySciuridae
- genusSciurus
- SpeciesSciurus aestuans Linnaeus, 1766
Synonyms Guerlinguetus aestuans
Other names and names in other languages (17)
- Guianan squirrelEnglish
- Guianan squirrelEnglish
- سنجاب غويانيArabic
- سنجاب برازيليArabic
- Guyana-HörnchenGerman
- Σκίουρος της ΒραζιλίαςGreek
- Ardilla de GuayanaSpanish
- Ardilla misioneraSpanish
- keltakurkkuoravaFinnish
- Écureuil des GuyanesFrench
- ブラジルリスJapanese
- Braziliaanse EekhoornDutch
- wiewiórka brazylijskaPolish
- SerelepePortuguese
- CaxinguelêPortuguese
- Гвианская белкаRussian
- 夏眠松鼠Chinese
Catalogue of LifeWikipediaiNaturalistTAXREFWikidataIUCN Red List
Relatives of the brazilian squirrel
Other species in the same genus Sciurus.

Red squirrel
Sciurus vulgaris

Eastern gray squirrel
Sciurus carolinensis

Caucasian squirrel
Sciurus anomalus

Japanese squirrel
Sciurus lis

Fox squirrel
Sciurus niger

Abert's squirrel
Sciurus aberti
CompareBrazilian squirrel vs Red squirrelBrazilian squirrel vs Eastern gray squirrelBrazilian squirrel vs Caucasian squirrelBrazilian squirrel vs Japanese squirrel
Common questions
Answered only where our data holds the answer.
How big is the brazilian squirrel?
An adult brazilian squirrel weighs 177.3 g – 185 g, according to values recorded on Wikidata.
Is the brazilian squirrel endangered?
The brazilian squirrel is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the brazilian squirrel live?
The brazilian squirrel has a recorded lifespan of 8.07 years.
What kind of animal is the brazilian squirrel?
The brazilian squirrel (Sciurus aestuans) 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 - 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). Brazilian squirrel (Sciurus aestuans). Retrieved from https://creaturedata.com/animals/brazilian-squirrel
“Brazilian squirrel (Sciurus aestuans).” CreatureData, 2026, https://creaturedata.com/animals/brazilian-squirrel.
@misc{brazilian_squirrel_2026,
title = {Brazilian squirrel (Sciurus aestuans)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/brazilian-squirrel},
note = {Data as of 2026-11-11}
}