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Orangutan, Borneo (USNM 317197)
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 317197 (http://collections.mnh.si.edu/search/mammals/?irn=7308842), is a juvenile female orangutan from the island of Borneo, Malaysia (Pongo pygmaeus). It was collected by Kuntz, R. E. in 1960 near Jesselton, within the state of Sabah. The specimen weighed 6 lbs with a total body length of 350 mm. The hind tarsus length measured at 125 mm and the ear notch length at 30 mm.
This is a CT scan of the cranium of USNM 317197. 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.