Brumback's night monkey (''Aotus brumbacki'') is a species of

night monkey Night monkeys, also known as owl monkeys or douroucoulis (), are nocturnal New World monkeys of the genus ''Aotus'', the only member of the family Aotidae (). The genus comprises eleven species which are found across Panama and much of South Am ...

found in

Colombia Colombia, officially the Republic of Colombia, is a country primarily located in South America with Insular region of Colombia, insular regions in North America. The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuel ...

. It has traditionally been considered a

subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...

of gray-bellied night monkey, ''Aotus lemurinus''. However, it has recently been argued that it should be considered a separate species.

References

Brumback's night monkey Mammals of Colombia Endemic fauna of Colombia Brumback's night monkey Taxa named by Philip Hershkovitz {{newworld-monkey-stub