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 9th 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
Most of the orangutans that end up at our rehabilitation centres arrive in poor health, with some suffering from severe diseases or disorders that require special care or treatment. Jeje is one of them. He was... View Article
Today, Sunday, 22 August, at 19:00 AEST, you have the one-off chance to view the exclusive online premiere of the documentary ‘Eyes of the Orangutan’ – a captivating exploration of the dark world of modern wildlife... View Article
We have planned two exclusive online events for you – exciting opportunities you don’t want to miss. On Thursday, 19 August, 18:00 AEST, we would like to celebrate International Orangutan Day with you. Join us for our three-hour... View Article
‘Crack!’, went the sound of a broken twig, stopping our Post-Release Monitoring (PRM) team from Camp Nles Mamse in the Kehje Sewen Forest, East Kalimantan, in their tracks! Tasked with observing and collecting data on the... View Article
When orangutans lose their habitat through deforestation, they have to look for food elsewhere. This can cause problems if an orangutan enters a residential area, as happened on 6 June this year. That day, the East... View Article
The job of caring for around 120 orangutans and 70 sun bears is a huge challenge – moreover, amid a pandemic. Yet, our veterinary team at the Samboja Lestari Orangutan Rehabilitation Centre in East Kalimantan keeps... View Article
Do you remember our rescued baby orangutans Aiko, Ramangai and Onyer? We have wonderful news: All three completed their quarantine period and are now in the Nursery Group. Here the youngsters learn how to climb trees... View Article
At our orangutan release sites and on our pre-release islands, the BOS Foundation employs special monitoring teams. They conduct regular observations and collect data on how released orangutans are adjusting to their new environment. The data... View Article
The hornbill is a perfect example of how tight nature and culture are interwoven. The unique bird with its brightly coloured and distinctively shaped bill not only helps to maintain the quality of forest ecosystems; it... View Article
We are still overjoyed that we could return another seven orangutans to their true home in the Bornean rainforest. Back from the long journey, our release team revealed more details, which we can’t wait to share... View Article
We are thrilled to announce, that we have successfully released an additional seven orangutans into the Bukit Baka Bukit Raya National Park (TNBBBR) in Central Kalimantan last week. This is the 37th release from our Nyaru... View Article
Recently, our Post-Release Monitoring (PRM) team from Nles Mamse Camp, in the Kehje Sewen Forest, East Kalimantan, spotted three orangutans building nests only a few minutes’ hike from camp. What makes it so unique: It was... View Article
When our Post Release Monitoring team recently observed female orangutan Desi, they made an exciting discovery. Desi is currently the only rehabilitated orangutan living on the pre-release island of Juq Kehje Swen in East Kalimantan. The... View Article
Last month marked an important moment for eight orangutans at our Nyaru Menteng Orangutan Rehabilitation Centre in Central Kalimantan. They finally entered the pre-release stage of rehabilitation – the last step on their journey to freedom.... View Article
What a day for our Post Release Monitoring (PRM) team! During their regular observations in the forest, they recently spotted three mother-infant pairs in one spot: Lesan and her daughter Ayu, Sayang and her daughter Padma,... View Article
Jeffrey, a 23-year-old male orangutan, has been living on a pre-release island for over a year now. So it is a perfect time to give you an update on how he is doing. Before we could... View Article
We have stunning new images right out of the Bornean rainforest for you. These snapshots are not just valuable insights into the life of our released orangutans, they are also evidence of the abundance of species... View Article
When we release orangutans to the Bornean rainforest or a pre-release island, we need to make sure they find enough natural food. Therefore, we not only monitor them and make sure they are healthy and adapting... View Article
Have you ever wondered how our Post-Release Monitoring (PRM) Team in East Kalimantan transports all their equipment through the Bornean rainforest? To say the least, it’s challenging. It’s a long journey to reach our two camps... View Article
Just last week, we informed you about our first rescue of the year. Shortly after, we were involved in three more orangutan rescues in Central Kalimantan. The three orangutans – Onyer, Ramangai, and one who has... View Article
In cooperation with the Central Kalimantan Natural Resources Conservation Agency (BKSDA), we recently carried out our first rescue mission of the year. An adult male orangutan needed our help. We had received some information about this... View Article