Nestled in East Kalimantan, the Kehje Sewen Forest is a tropical treasure trove—rich in both biotic and abiotic resources that make it a globally significant ecosystem. Home to a wide variety of plant and animal species,... View Article
What a surprise! After a long absence, one of the dominant male orangutans, Hamzah, has finally been spotted again near Camp Lesik in the Kehje Sewen Forest. Our Post-Release Monitoring (PRM) team was stunned by Hamzah’s... View Article
In addition to Post-Release Monitoring (PRM), PT. Restorasi Habitat Orangutan Indonesia (PT. RHOI)* also runs a habitat management and restoration program (PPH). This program is one of the ecosystem restoration activities carried out by the RE-PPH... View Article
Recently, in the Kehje Sewen Forest, our Post-Release Monitoring Team stumbled across an animal they instantly recognised from its iconic shape and colour. It can be found on tree branches and even on the ground. Yap!... View Article
Meet another fascinating species that shares the same ecosystem as orangutans. While its life is short, its unique appearance is truly unforgettable. The Bridal Veil Mushroom (Phallus indusiatus) is a type of fungus that grows solitary... View Article
Camp Nles Mamse, located in the Kehje Sewen Forest, is surrounded by the beauty of nature and unique flora and fauna. Our Post-Release Monitoring teams regularly encounter exotic animals, like monitor lizards (Varanus salvator), binturongs (Arctictis... View Article
Our Post-Release Monitoring (PRM) team in the Hiran watershed recently observed Gonzales, a male orangutan the BOS Foundation team released in November 2022 in the Bukit Baka Bukit Raya National Park. What was he up to?... View Article
The forest is home to many different and unique animal species. Now and then, we introduce you to one of the many fascinating individuals sharing their habitat with the Bornean orangutan. Some tread the ground, others... View Article
Working far away from urban areas has its unique challenges, as our Post-Release Monitoring (PRM) team from Camp Lesik in the Kehje Sewen Forest, East Kalimantan, can attest. Something the technicians regularly experience is running out... View Article
Thanks to your incredibly generous support, we are now breaking ground on a crucial rehabilitation project for a degraded peat swamp forest in Central Kalimantan, Borneo. The area was once part of a failed mega-rice cultivation... View Article
Recently, the Post-Release Monitoring (PRM) team had the rare chance to observe an orangutan mother and her two children together. Find out who it was and why this family is so special. At the time, Jimi... View Article
One of the tasks of the Post-Release Monitoring (PRM) team involves collecting data on the phenology of natural-occurring plant species in orangutan habitats. While conducting phenological surveys, the BOS rangers occasionally meet orangutans as well. Let’s... View Article
The Ficus racemosa or, as it is commonly known, the cluster fig tree can be found growing throughout the Kehje Sewen Forest in East Kalimantan, where we release rehabilitated orangutans. It grows in lowland, tropical forests, mostly along... View Article
We have an exciting update about mother orangutan Sayang and her daughter Padma. Our Post-Release Monitoring (PRM) team from Camp Lesik observed them in the Kehje Sewen Forest in East Kalimantan. When our PRM team from... View Article
Please meet one of our orangutan warriors from the Mawas Conservation Program in Central Kalimantan. His name is Rahmadi, and he has worked for the BOS Foundation for an impressive 17 years. Rahmadi hails from the... 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
