Brumback's night monkey

{{Short description|Species of New World monkey}}

{{Speciesbox

| name = Brumback's night monkey

| image = Aotus brumbacki 01.jpg

| status = VU

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Carretero, X. |author2=Guzman-Caro, D. |author3=Stevenson, P.R. |date=2020 |title=Aotus brumbacki |volume=2020 |page=e.T39915A17923405 |doi=10.2305/IUCN.UK.2020-2.RLTS.T39915A17923405.en |access-date=19 November 2021}}

| genus = Aotus

| species = brumbacki

| authority = Hershkovitz, 1983

| range_map = Brumback's Night Monkey area.png

| range_map_caption = Brumback's night monkey range

}}

Brumback's night monkey (Aotus brumbacki) is a species of night monkey found in Colombia.{{cite book | author = Defler, Thomas R. | title = Primates of Colombia | year = 2004 | isbn = 1-881173-83-6}} It has traditionally been considered a subspecies of gray-bellied night monkey, Aotus lemurinus.{{MSW3 Groves}} However, it has recently been argued that it should be considered a separate species.{{cite journal |author1=Defler, T. R. |author2=Bueno, M. L. |year=2007 |title=Aotus Diversity and the Species Problem |journal=Primate Conservation |volume=2007 |issue=22 |pages=55–70 |doi=10.1896/052.022.0104 |doi-access=free }}