Spix's white-fronted capuchin (''Cebus unicolor'') is a species of

gracile capuchin monkey Gracile capuchin monkeys are capuchin monkeys in the genus ''Cebus''. At one time all capuchin monkeys were included within the genus ''Cebus''. In 2011, Jessica Lynch Alfaro ''et al.'' proposed splitting the genus between the robust capuchin ...

. It had previously been classified as a subspecies of the Humboldt's white-fronted capuchin (''C. albifrons''). Following genetic studies by Boubli, ''et al'', Mittermeier and Ryland elevated it to a full species. Spix's white-fronted capuchin has a wide range within the upper

Amazon Basin The Amazon basin is the part of South America drained by the Amazon River and its tributary, tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

and

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

. It also occurs in northern

Bolivia Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...

. It has a head and body length between and a tail length of between .

References

{{Taxonbar, from=Q60789225 Capuchin monkeys Mammals of Bolivia Mammals of Peru Primates of Brazil Mammals described in 1823 Fauna of the Amazon Taxa named by Johann Baptist von Spix