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Chimpanzee, Liberia (USNM 481804)
Chimpanzees are great apes and one of our closest living relatives. The Smithsonian Institution’s Division of Mammals (http://vertebrates.si.edu/mammals/) houses many chimpanzees in its scientific collections.
This specimen, USNM 481804 (http://collections.nmnh.si.edu/search/mammals/?irn=7360750), is a male chimpanzee (Pan troglodytes) from Liberia. This individual was collected in 1971 by D. A. Schlitter near Tars Town in Grand Gedeh Province. This specimen weighed 102 lbs and measured a total length of 725 mm, with a hind tarsus length of 230 mm and an ear notch length of 72 mm.
This is a CT scan of the left navicular of USNM 481804. 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.