The red-mantled saddle-back tamarin (''Leontocebus lagonotus'') is a species of

saddle-back tamarin The saddle-back tamarins are squirrel-sized New World monkeys from the family (biology), family Callitrichidae in the genus or subgenus ''Leontocebus''. They were split from the tamarin genus ''Saguinus'' based on genetic data and on the fact th ...

, a type of small monkey from South America. The red-mantled saddle-back tamarin was formerly considered to be 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 the

brown-mantled tamarin The brown-mantled tamarin (''Leontocebus fuscicollis''), also known as Spix's saddle-back tamarin, is a species of saddle-back tamarin. This New World monkey is found in the Southern American countries of Bolivia, Brazil and Peru. This Omnivore, ...

, ''L. fuscicollis''. It lives in Ecuador and Peru and its type locality is in Peru, near the confluence of the Amazon River and the

Napo River The Napo River () 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 ca 103,000 km2. The mean annual dis ...

. The red-mantled saddle-back tamarin has a head and body length of between and with a tail length between and long. It weighs between and . The

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

rates it as

least concern A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

from a conservation standpoint.

References

Leontocebus Taxa named by Marcos Jiménez de la Espada Mammals described in 1870 {{newworld-monkey-stub