Sumatran slow loris

The Sumatran slow loris (Nycticebus hilleri) is a strepsirrhine primate and a species of slow loris that is native to Sumatra.

While this species used to be considered a junior synonym of the Sunda slow loris, it is now recognized by the IUCN as a full species. This species is named after Hiram M. Hiller Jr., who collected the holotype of this species while exploring the East Indies in 1901.