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Orangutan, Borneo (USNM 153822)
Orangutans are great apes and one of our closest living relatives. The Smithsonian Institution’s Division of Mammals (http://vertebrates.si.edu/mammals/) houses many orangutans in its scientific collections.
This specimen, USNM 153822 (http://collections.mnh.si.edu/search/mammals/?irn=7255016), is an adult female orangutan from the island of Borneo, Indonesia (Pongo pygmaeus). It was collected by W.L. Abbott in 1908 near the Kendawangan River in Lanchut. The female weighed 80 lbs with a head to body length of 755 mm. The hind tarsus length measured at 250 mm and a total length of 1,065 mm.
This is a CT scan of the cranium of USNM 153822. These three-dimensional scans are made publicly available through the generous support of the Smithsonian 2.0 Fund, provided from the annual gifts of the Smithsonian National Board to the Secretary to use at his discretion (http://smithsonian20.si.edu/fund.html), and the Smithsonian Collections Care and Preservation Fund.
The main goal of this joint initiative between the Human Origins Program and the Division of Mammals is to make the NMNH's scientific collections of our closest living relatives, the apes, available in 3D for education and research.