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 Humboldt's white-fronted capuchin (''Cebus albifrons'') is a species of gracile capuchin monkey. It is found in Colombia, Venezuela, Brazil, and potentially the island of Trinidad. Taxonomy The species name ''Cebus albifrons'' was formerly con ...

(''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 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 of Bolivi ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

and

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. It also occurs in northern

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

. 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 Mammals of Brazil Mammals described in 1823 Primates of South America Taxa named by Johann Baptist von Spix