Brazilian squirrel

{{short description|Species of mammal in the family Sciuridae}}

{{Speciesbox

| name = Brazilian squirrel

| image = Caxinguele (Sciurus aestuans).jpg

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Amori, G. |date=2016 |title=Sciurus aestuans |volume=2016 |page=e.T20003A22248406 |doi=10.2305/IUCN.UK.2016-2.RLTS.T20003A22248406.en |access-date=12 November 2021}}

| genus = Sciurus

| species = aestuans

| authority = Linnaeus, 1766

| subdivision_ranks = Subspecies

| subdivision_ref = {{cite book|last1=Thorington|first1=R.W. Jr.|last2=Hoffmann|first2=R.S.|year=2005|pages=754–818|editor1-last=Wilson|editor1-first=D.E.|editor2-last=Reeder|editor2-first=D.M|url=http://www.bucknell.edu/msw3|chapter=Sciurus (Guerlinguetus) aestuans|chapter-url=https://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=12400081|title=Mammal Species of the World: a taxonomic and geographic reference|edition=3rd|publisher=The Johns Hopkins University Press|isbn=0-8018-8221-4|oclc=26158608}}

| subdivision =

• S. a. aestuans
• S. a. alphonsei
• S. a. garbei
• S. a. georgihernandezi
• S. a. henseli
• S. a. ingrami
• S. a. macconnelli
• S. a. poaiae
• S. a. quelchii
• S. a. venustus

| range_map = Brazilian squirrel habitat map.png

| range_map_caption = Brazilian squirrel's range

}}

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.

Sciurus aestuans is a dark brown squirrel that feeds mainly on fruits and nuts, but can also prey on eggs and the young of birds.