What’s in a call? Understanding the long calls of Sabangau’s male orangutans

Written by James Askew (BNF research collaborator) Recently, Dr Helen Morrogh-Bernard (BNF Director) and I published a paper about the male orangutans of the Sabangau Forest in the scientific journal Folia Primatologica. The aim of our study was to look at the long calls of the forest’s adult flanged males, and to start identifying what […]

Discovery of a 1940s Central Kalimantan map and the history that lies inside

Written by Desi Natalia (BNF Communications Officer) Recently, Dr Mark Harrison (BNF Co-director) came across an old map of Central Kalimantan (Indonesian Borneo) printed on silk from the 1940s. There are many village names on the map that remain the same today, but some of the villages are spelt differently. For instance, ‘Poeroektjaoe’ is now […]