The Napo saki (''Pithecia napensis''), also known as the Napo monk saki, is a species of

saki monkey Sakis, or saki monkeys, are any of several New World monkeys of the genus ''Pithecia''. They are closely related to the bearded sakis of genus ''Chiropotes''. Range Sakis' range includes northern and central South America, extending from the s ...

, a type of

New World monkey New World monkeys are the five families of primates that are found in the tropical regions of Mexico, Central and South America: Callitrichidae, Cebidae, Aotidae, Pitheciidae, and Atelidae. The five families are ranked together as the Ceboid ...

. Its range includes parts of eastern

Ecuador Ecuador ( ; ; Quechuan languages, Quechua: ''Ikwayur''; Shuar language, Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechuan ...

and northern

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 ...

. The name is derived from the

Napo River The Napo River ( es, Río Napo) is a tributary to the Amazon River that rises in Ecuador on the flanks of the east Andean volcanoes of Antisana, Sincholagua and Cotopaxi. The total length is . The river drains an area of . The mean annual d ...

in its locality. This species was originally described by Lönnberg as the subspecies '' Pithecia monachus napensis'' and has been treated as a synonym of ''P. monachus monachus''.

Hershkovitz Philip Hershkovitz (12 October 1909 – 15 February 1997) was an American mammalogist. Born in Pittsburgh, he attended the Universities of Pittsburgh and Michigan and lived in South America collecting mammals. In 1947, he was appointed a curator ...

retained it under ''P. monachus'' in 1987, but it was raised to full species status in 2014.

References

Napo saki The Napo saki (''Pithecia napensis''), also known as the Napo monk saki, is a species of saki monkey, a type of New World monkey. Its range includes parts of eastern Ecuador and northern Peru. The name is derived from the Napo River in its locali ...

Mammals of Ecuador Mammals of Peru

Taxa named by Einar Lönnberg {{newworld-monkey-stub