Gray slender opossum

{{Short description|Species of marsupial}}

{{Speciesbox

| name = Gray slender opossum{{MSW3 Gardner|pages=11}}

| image = Gracilinanus microtarsus.JPG

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Brito, D. |author2=Astúa, D. |author3=Lew, D. |author4=Soriano, P. |author5=Emmons, L. |date=2021 |title=Marmosops incanus |volume=2021 |page=e.T12822A197313574 |doi=10.2305/IUCN.UK.2021-1.RLTS.T12822A197313574.en |access-date=12 November 2021}}

| genus = Marmosops

| species = incanus

| authority = (Lund, 1841)

| range_map = Gray Slender Mouse Opossum area.png

| range_map_caption = Gray slender opossum range

}}

The gray slender opossum (Marmosops incanus), is an opossum species endemic to eastern Brazil.

This species is a semi-arboreal marsupial, moving on average 67.38% on the ground.{{Cite journal|last1=Loretto|first1=Diogo|last2=Vieira|first2=Marcus Vinícius|date=July 2008|title=Use of space by the marsupial Marmosops incanus (Didelphimorphia, Didelphidae) in the Atlantic Forest, Brazil|journal=Mammalian Biology|volume=73|issue=4|pages=255–261|doi=10.1016/j.mambio.2007.11.015|issn=1616-5047}} They are solitary, nocturnal, and scansorial (tree climbers).{{Cite journal|last1=Semedo|first1=Thiago Borges Fernandes|last2=Rossi|first2=Rogério Vieira|last3=Júnior|first3=Tarcísio S. Santos|date=2013-01-01|title=New records of the Spectacled Slender Opossum Marmosops ocellatus (Didelphimorphia, Didelphidae) with comments on its geographic distribution limits|journal=Mammalia|volume=77|issue=2|doi=10.1515/mammalia-2012-0072|s2cid=84602782|issn=1864-1547}} Their diet consists mainly of insects.{{Cite journal|last=da Fonseca|first=Gustavo A.B.|date=1985|title=The vanishing Brazilian Atlantic forest|journal=Biological Conservation|volume=34|issue=1|pages=17–34|doi=10.1016/0006-3207(85)90055-2|issn=0006-3207}}