This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FirstgibboninJapan. Hendrik Doeff who was then staying here said that this gibbon occurs on the island of Java where it is called wauwau Truly an extraordinary sight According to Gulik wauwau refers in Indonesia to the species Hylobates Moloch it must have been brought to Japan on Dutch ship The book Kenkadzatsuroku by Kimura Kenkad