Southern Bornean Gibbon Great Call by Matt Adam Williams published on 2013-12-24T05:00:34Z The great call of a Southern Bornean gibbon from the Sabangau rainforest of Indonesian Borneo. Thanks to my good friend Ken Xie for the recording. Genre gibbon Comment by Wild Ham and Petersham Hauntingly beautiful 2014-01-01T14:55:50Z