Geissmann, T., 1990: Songs of different types of hybrid gibbons follow a common principle. 13th Congress of IPS Abstracts, p. 186. Nagoya.
Anthropological Institute, University Zürich-Irchel
Gibbon songs contain species specific characteristics. Previous studies have indicated that these characteristics are largely genetically determined. Hybrids between several species of gibbons have repeatedly been bred in captivity. For this report, female great calls of different types of hybrid gibbons have been compared. The parental species of these hybrids include all species of the lar group gibbons: Hylobates agilis, H. lar, H. moloch, H. muelleri, and H. pileatus. The results of this study are the following:
Site by Thomas Geissmann.
For comments & suggestions, please email to