Habitat Usage by Primates in the Human-Disturbed Forests of Kalimantan

Written by Dr. Susan Cheyne (BNF’s Co-director) The recent report of 100k orangutans having died in Borneo over a 16 year period have brought attention back to the high rates of deforestation prevailing in Borneo and its devastating impact on its unique primate fauna. Analysis by UNEP indicates that Borneo has lost a significant chunk […]
Endless reasons to protect orangutans

Written by Sophie Kirklin (BNF’s Orangutan Scientist) In orangutan caring week, we remind ourselves why we care about our orange relatives and why it is so important that we do! To us at BNF, it seems like there are endless reasons, but here are a few of the top of our heads: Conservation – To […]
Hello from the Sebangau National Park forest!

Hello! Isabella and Louise here; two volunteers in the second group at the BNF Sebangau National Park camp. We are now over half way through our volunteering experience and over the last few weeks we have conducted gibbon triangulation surveys, measured the growth of trees in different plot sites, and surveyed the butterfly and dragonfly […]
Feb (wild female orangutan) is Pregnant!

Written by Azis (Orangutan Project Coordinator) When I followed Feb, a wild adult female orangutan in the Sabangau Forest, I saw very different behaviour than normal. I could also see that her belly was very big! Normally Feb is more active, whereas this time she was slow and resting a lot. So I had the […]
Orangutan’s family tree!

Written by Sophie Kirklin (BNF’s Primate Scientist) Cleo: Where it all started. Cleo was the first orangutan resident to be followed by the OuTrop team, back in 2003. Since then, her family has grown! On the project today, the community of orangutans who we follow, and come to know very well, is bigger, and still […]
Coming of Age: Development of independence in orangutans

by Sophie Kirklin (BNF Orangutan Scientist) In 2015 I spent four months in the Sabangau Forest, collecting data for my Masters dissertation with Borneo Nature Foundation. My project was on the development of orangutan infants, and how they eventually become independent from their mothers. My fascination with orangutans developed into a bit of an obsession […]
What’s in a call? Understanding the long calls of Sebangau National Park’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 Sebangau National Park 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 […]
Keep your selfies to yourself! 7 reasons why it’s a bad idea to take a photo with an orangutan

Written by Cara Wilcox (BNF Primate Scientist) When given the opportunity, a lot of people would jump at the chance to take a selfie or get really close to an orangutan. It may seem like a great idea at the time, but that decision could have a negative impact on orangutan conservation. Here are our […]