Once considered a subspecies of the Bornean orangutan, the Sumatran orangutan has now been classified as a distinct species. Restricted to the lowland swamp forests of Sumatra, This species is slightly smaller and far less numerous than its Bornean relative.nnSpecifications:nn1:1 scalenPolyurethane resin castnnSkull Length 21.3 cm (8.4 in.)nnOrigin: Indonesia