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Bonobo (USNM 398227)

Bonobos are great apes and one of our closest living relatives. The Smithsonian Institution’s Division of Mammals ( houses many chimpanzees in its scientific collections.

This specimen, USNM 398227 (, is a female chimpanzee (Pan paniscus). This individual measured a total length of 429 mm, a hind tarsus length of 132 mm, and an ear notch length of 45 mm.

This is a CT scan of the cranium of USNM 398227. 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 (, 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.