Siamang, Indonesia (USNM 271048)

USNM 271048

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

This specimen, USNM 271048 (, is a female siamang (Symphalangus syndactylus) from Indonesia. This individual was collected by F. Ulmer near Gunong Shaitan of Atjeh Province on the island of Sumatra.

This is a CT scan of the cranium of USNM 271048. 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.