Enrichment is essential in keeping the orangutans in our care mentally engaged while learning vital skills. Dr Nadine Adrianna Sugianto, Post-Doctoral Research Fellow at the University of Birmingham, is working on the Orangutan Enclosure Design Tool... View Article
We have some great news from the Kehje Sewen Forest in East Kalimantan regarding the birth of a new baby orangutan! In August 2021, our Post-Release Monitoring (PRM) team from Nles Mamse camp in the Kehje... View Article
One of the largest rainforests in Asia is located in Kalimantan, the Indonesian part of Borneo. Within it lies the Kehje Sewen Forest, where we release rehabilitated orangutans. To give you a glimpse of the beauty... View Article
There are certain moments you never forget, moments that hold special meaning and evoke strong emotions. I had such an experience during the 39th orangutan release conducted by the BOS Foundation in Central Kalimantan on May... View Article
It’s happening again! We are thrilled to announce that we are getting ready for our first release this year. We are about to bring four orangutans home into the Bukit Baka Bukit Raya National Park in... View Article
Saving orangutans also means protecting their rainforest homes and fighting climate change. To reduce our carbon footprint, BOS Australia and BOS Switzerland, together with the BOS Foundation, built a new solar system at our Samboja Lestari... View Article
We have an update on Dilla! She is one of our unreleasable orangutans, and she became famous in the documentary series ‘Orangutan Jungle School’. While all orangutans in BOS Foundation’s care have a tragic backstory, Dilla... View Article
Every year, the BOS Foundation’s two Orangutan Rehabilitation Centres – Nyaru Menteng and Samboja Lestari – take in rescued, orphaned orangutans. They must undergo a lengthy rehabilitation process before we can release them into a secure,... View Article
Correctly identifying orangutans during observations can be tricky. This is especially true if our Post-Release Monitoring (PRM) team observes orangutans they haven’t spotted for a long time or when the team on duty is not familiar... View Article
Orangutans must learn and develop their repertoire of survival skills before being released into the wild. Competing with other orangutans over resources is an essential skill they need to master to become independent. However, some individuals... View Article
Do you miss cheeky Valentino? He is eagerly tackling his final steps to freedom on a pre-release island. But he still has a lot to learn. Find out how his island life has been going. Valentino,... View Article
Working deep in the rainforest, far away from the hustle and bustle of cities and urban areas, certainly has its perks! Our Post-Release Monitoring (PRM) team occasionally encounters animals that most people only get to see... View Article
Orangutans are fascinating to observe. If you pay attention closely, you will uncover a world of exciting behaviours and interactions. For example, when several individuals come together and form a so-called ‘party’. Our Post-Release Monitoring (PRM)... View Article
The Mawas Conservation Program is one of our working areas in Central Kalimantan. Unlike the Nyaru Menteng Orangutan Rehabilitation Centre, it does not address orangutan rehabilitation but concentrates on preserving the population of wild orangutans living... View Article
Today is a very special day for our beloved Shelton. Exactly ten years ago, on 24 February 2012, our Samboja Lestari team rescued him. While looking for food, the six to seven-year-old male was beaten, shot... View Article
Do you enjoy watching our rescued orangutans playing and learning in Forest School and eventually returning to their true home in the Bornean rainforest? Unfortunately, the orangutan rehabilitation process does not always produce the desired results,... View Article
Beni, Orangutan Jungle School superstar and internationally beloved orangutan, faces his greatest challenge – life on a pre-release island. In classic Beni fashion, less than two months into his stay, he has already found himself at... View Article
Observing orangutans involves collecting data on their behavioural development and physical health. Sometimes, this can be tricky, as we have experienced with Desi on Juq Kehje Swen, a pre-release island she shares with Kimi, a wild... View Article
The most enjoyable experience for our Post-Release Monitoring (PRM) teams is meeting up with orangutans they have not seen for a long time. Last week, we reported about catching up with Mona again. But our PRM... View Article
A collaborative effort between the BOS Foundation, the Central Kalimantan Natural Resources Conservation Agency and the Bukit Baka Bukit Raya National Park Agency closed 2021, seeing eight more orangutans released into the forest after completing their... View Article
It’s always great to catch up with orangutans in the forest whom we haven’t seen for a while. We are delighted to spot them again, as they prove that rehabilitated orangutans can return to the wild... View Article
Friendships always have their ups and downs. Interestingly, this also applies to orangutans. Desi and Kimi, two females, living on Juq Kehje Swen Island in East Kalimantan, are good friends known to have the occasional fight.... View Article
As 2021 draws to a close, it’s time to reflect on what you have helped us achieve in this most challenging year – from rescuing 15 orangutans and releasing 25 into the wild to replanting 200... View Article
The Wehea Dayak tribe has lived for generations in the East Kutai area of East Kalimantan, Borneo. Through the Orangutan Habitat Restoration (RHO) program, the BOS Foundation and its partners help the community in Muara Wahau... View Article
We are thrilled to introduce you to the eight orangutans who are about to return to their true home in the Bornean rainforest. This will be the 38th orangutan release from our Nyaru Menteng Orangutan Rescue... View Article
Knowing how to compete with other orangutans while foraging is one of the most critical skills an orangutan needs to survive in the wild. Each orangutan eventually learns about this, sometimes the hard way! Find out... View Article
Forests store an abundance of highly valuable resources to humans, many of which are yet to be discovered. On Juq Kehje Swen Island in East Kalimantan, our monitoring team has stumbled across something that has numerous... View Article
We have great news to share with you! Big Boy Beni has graduated! He now lives on a pre-release island in the Salat Island Cluster in Central Kalimantan, Borneo. Beni moved together with our beloved Meryl,... View Article
In addition to protecting and preserving Bornean orangutans and their habitat, BOS works closely with local communities to help maintain their cultures and traditions. One example of a traditional ceremony we participate in is the naq lom. It... View Article
Two weeks ago, we reported that Hamzah sadly had to part ways with Bong, who we had to transfer to Muara Soh. After we moved Bong, Hamzah appeared displeased, and he disappeared into the forest as... View Article
The threat is not over! COVID-19 case numbers in Indonesia are still high, putting our orangutans and staff members at risk. That’s why we must continue to protect their health as best as we possibly can... View Article
It was early in the morning when our Post-Release Monitoring (PRM) team at Camp Lesik, in the Kehje Sewen Forest, East Kalimantan, set out to capture Bong. The female orangutan, whom we released five years ago,... View Article
In the forest, our Post-Release Monitoring (PRM) team members rely on supplies purchased monthly in Muara Wahau, the nearest town to Camp Nles Mamse, about 70 kilometres away. There, logistical and bulk food supplies, including vegetables... View Article
According to forest researcher Dr Sven Wunder, forest environmental services and conservation areas are generally divided into four categories: carbon sequestration and storage, biodiversity protection, watershed protection, and landscape beauty. In terms of its landscape beauty,... View Article
It was just after midnight on 9 August when the wildlife rescue team from the Natural Resources Conservation Agency in East Kalimantan arrived at our Samboja Lestari Orangutan Rehabilitation Centre. In their truck was a cat... View Article
It is always interesting to look at the progress young orangutans make along their rehabilitation journey at our Nyaru Menteng Orangutan Rehabilitation Centre. This time, let’s find out what Paulinus, Christina and Monita, the newest members... View Article