Once considered a sub-species 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 scalennPolyurethane resin castn2-part skull (separate cranium and jaw)nnSkull Length 11.8 cm (4.6 in.)nSkull Width 8.7 cm (3.4 in.)nSkull Height 10 cm (3.9 in.)nnOrigin: IndonesiannProduct of Bone ClonesnPlease be advised that this product is made to order and will require additional lead time. For further information about the availability and turnaround time of this item, please contact our customer service team at 1-800-659-SKULL.