Woolly mouse opossum

{{Short description|Species of marsupial}}

{{Speciesbox

| image= North-eastern Woolly Mouse Opossum imported from iNaturalist photo 417123381 on 18 October 2024.jpg

| name = Long-furred woolly mouse opossum{{MSW3 Didelphimorphia | id = 10400119 | page = 13}}

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Brito, D. |author2=Astúa, D. |author3=Lew, D. |author4=Soriano, P. |date=2021 |title=Marmosa demerarae |volume=2021 |page=e.T40510A197309091 |doi=10.2305/IUCN.UK.2021-1.RLTS.T40510A197309091.en |access-date=12 November 2021}}

| genus = Marmosa

| parent = Marmosa (Micoureus)

| species = demerarae

| authority = Thomas, 1905

| synonyms = Micoureus demerarae (Thomas, 1905)
Micoureus cinereus (Temminck, 1824)

| range_map = Long-furred Woolly Mouse Opossum area.png

| range_map_caption = Long-furred woolly mouse opossum range

}}

The woolly mouse opossum or long-furred woolly mouse opossum (Marmosa demerarae), known locally as the cuíca,{{cite web | url = http://www.ecoparque.org.br/biodiversidade2.htm | title = Ecoparque de Una}} is a South American marsupial of the family Didelphidae.{{MSW3 Didelphimorphia | id = 10400119 | page =13}} Its range includes central Colombia, Venezuela, French Guiana, Guyana, Suriname, eastern Peru, northern Bolivia, and northern Brazil.{{cite book|last1=Gardner|first1=A.L.|last2=Creighton|first2=G.K.|editor=Gardner, A.L.|title=Mammals of South America. Volume 1: Marsupials, Xenarthrans, Shrews, and Bats|chapter-url=https://books.google.com/books?id=dbU3d7EUCm8C&pg=PA507|year=2007|publisher=University of Chicago Press|isbn=978-0-226-28240-4|page=77|chapter=Genus Micoureus}} It was formerly assigned to the genus Micoureus, which was made a subgenus of Marmosa in 2009.{{cite journal

| last = Voss | first = R. S. |author2=Jansa, S. A.

| title = Phylogenetic relationships and classification of didelphid marsupials, an extant radiation of New World metatherian mammals

| journal = Bulletin of the American Museum of Natural History

| volume = 322 | pages = 1–177

| date = 2009

| hdl = 2246/5975 | doi = 10.1206/322.1| s2cid = 85017821 }}

It generally lives in tropical, humid forest below 1,200 meter elevation as in the Andes and surrounding lowlands. It is often found on plantations or other disturbed areas as well as evergreen forests.{{cite book |last1=Gardner |first1=Alfred |title=Mammals of South America Volume 1 |publisher=University of Chicago Press |page=79}}