JELAPAT THE STRATEGIST
Not all orangutans face life in the same way. Some individuals are more dominant and bold in taking up space, while others take a different approach to meet their needs without getting into conflict. Jelapat is... View Article
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THE 47TH RELEASE CANDIDATES FROM NYARU MENTENG
The Ministry of Forestry of the Republic of Indonesia, the Central Kalimantan Natural Resources Conservation Agency (BKSDA), the Bukit Baka Bukit Raya National Park (BTNBBBR), and the Borneo Orangutan Survival (BOS) Foundation will soon conduct the... View Article
PONY RECENTLY
The BOS Foundation is aware that discussions about Pony occasionally reappear in the media and on online platforms. Our communication approach focuses on verified, current information regarding her welfare and care. Pony currently lives at the... View Article
VITAL INTERACTIONS
Do you remember the story of Sally and her little furry friend? That simple story actually offers a broader insight into our understanding of orangutan social behaviour. Although orangutans are often described as semi-solitary primates, they... View Article
PLANTING A NEW HOME FOR ORANGUTANS
Restoration initiatives are crucial for preparing the Kehje Sewen Forest as a future release area for rehabilitated orangutans from our Samboja Lestari Rehabilitation Centre in East Kalimantan. By maintaining the habitat and ensuring an ample supply... View Article
A NEW LIFE FOR VERA AND JUJUN
The BOS Foundation recently relocated two orangutans from the Individual Enclosure Complex to Sanctuary Island #5 at the Samboja Lestari Orangutan Rehabilitation Centre–a significant step towards a more natural environment. The move is part of the... View Article
A UNIQUE FRIENDSHIP
Sally, a female orangutan who previously lived in the Socialisation Complex at Samboja Lestari, has taken a huge step on her rehabilitation journey: the BOS team relocated her to the Juq Kehje Swen Pre-Release Island in... View Article
THE 46TH ORANGUTAN RELEASE FROM NYARU MENTENG
The Ministry of Forestry of the Republic of Indonesia, the Central Kalimantan Natural Resources Conservation Agency, the Bukit Baka Bukit Raya National Park, and the Borneo Orangutan Survival (BOS) Foundation will soon conduct the 46th orangutan... View Article
LOVE IS IN THE AIR
Mating behaviour is one of the most important forms of social interaction in the life of orangutans. This interaction occurs between male and female individuals and plays a vital role in ensuring the survival of a... View Article
SUCI’S SWEET DISCOVERY
In the vast wilderness of Bukit Baka Bukit Raya National Park, Central Kalimantan, the story of Suci, a young female orangutan, continues to unfold with new wonders. First released in 2021, Suci occasionally appeared during observations... View Article
GUARDIANS OF THE FOREST #2: COLLABORATION TO PROTECT KEHJE SEWEN
As part of ongoing efforts to protect the Kehje Sewen Forest in East Kalimantan, the Community Development Team and the Ecosystem Restoration – Forest Protection, Security, and Fire Prevention (RE-PPHK) Team from BOS Foundation’s company PT... View Article
GUARDIANS OF THE FOREST #1: PROTECTING THE KEHJE SEWEN ECOSYSTEM
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
JUMBO’S NEW LIFE
Jumbo was the fifth orangutan released by the BOS team into the Bukit Baka Bukit Raya National Park in Central Kalimantan. He followed Hanau, Pirang, Rongda, and Radmala, who were released prior. These five orangutans were... View Article
CANDIDATES FOR THE 45TH ORANGUTAN RELEASE FROM NYARU MENTENG
The Ministry of Forestry of the Republic of Indonesia, the Central Kalimantan Natural Resources Conservation Agency and the Borneo BOS Foundation will soon conduct the 45th orangutan release from the Nyaru Menteng Rehabilitation Centre to Bukit... View Article
BUILDING COURAGE AT SCHOOL
In the large group at Forest School, seven young orangutans actively play and learn together under the watchful care of our experienced surrogate mothers. It has been two months since these orphans moved to the site... View Article
A NEW STAGE AT FOREST SCHOOL
At the end of 2024, Baimah and Feruza advanced to Forest School Level 1. Their journey to this new stage of their rehabilitation journey began with an adaptation process full of challenges. When Baimah arrived at... View Article
A NEW CHAPTER FOR SIX ORANGUTANS
April 23, 2025, marked a historic moment in Indonesia’s orangutan conservation efforts. The Ministry of Forestry of the Republic of Indonesia, the East Kalimantan Natural Resources Conservation Agency (BKSDA), and the Borneo Orangutan Survival (BOS) Foundation,... View Article
CANDIDATES FOR THE 27th ORANGUTAN RELEASE FROM SAMBOJA LESTARI
The Ministry of Forestry of the Republic of Indonesia, the Natural Resources Conservation Agency (BKSDA) of East Kalimantan, and the Borneo Orangutan Survival (BOS) Foundation—with support from Riau Andalan Pulp and Paper (RAPP)—are preparing for the... View Article
YUYUN’S JOURNEY TO RECOVERY
In late 2024, Yuyun’s health took a significant turn for the worse. On Island #0, where she had lived with her fellow orangutan Jeffrey for a long time, Yuyun appeared weak and had lost her appetite.... View Article
HAMZAH IS BACK
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
A NEW RESCUED BABY
In collaboration with BKSDA Central Kalimantan, the BOS team has rescued another baby orangutan. On August 12, 2024, the Nyaru Menteng Orangutan Rehabilitation Centre received a report about a baby orangutan in Tumbang Samba Village, located... View Article
CANDIDATES FOR THE 44th RELEASE FROM NYARU MENTENG
The Ministry of Environment and Forestry of the Republic of Indonesia (KLHK), the Natural Resources Conservation Centre (BKSDA) of Central Kalimantan, and the Borneo Orangutan Survival (BOS) Foundation will soon conduct the 44th orangutan release from... View Article
WHERE ARE YOU, JOSH, TELAKEN AND BAWAN?
Earlier this year, the smart Josh and tenacious Telaken finally made their way to a pre-release island, marking a significant milestone in their journey back to the wild. Along with three other orangutans—Uru, Bawan, and Monte—they... View Article
HOW TO OBSERVE ORANGUTANS
Earlier this year, the BOS Foundation welcomed a wave of new personnel in three divisions: Post-Release Monitoring, Ecosystem Restoration–Forest Management & Development, and Ecosystem Restoration-Protection, Security, and Fire Management. Each division has its distinct roles and... View Article
A TALE OF FRIENDSHIP AND RESILIENCE
Since arriving on Badak Besar Pre-Release Island in December 2023, Taymur has made himself at home near feeding platform #3. Find out what he has been up to. As Taymur adapts to his new environment, he... View Article
Galaksi is no longer little
Galaksi, once a tiny and fragile orangutan at Samboja Lestari’s Rehabilitation Centre, has blossomed into a lively and spirited youngster. Since he arrived in 2021, Galaksi has been under the careful watch of our dedicated surrogate... View Article
A THRILLING ENCOUNTER
Who remembers Petto? We have missed him since our Post-Release Monitoring (PRM) team from the Himba Pambelum Monitoring Camp in Bukit Baka Bukit Raya National Park Area (TNBBBR), Central Kalimantan, last encountered him in August 2022. ... View Article
SUJA’S ROAD TO FREEDOM
As we at BOS Australia are proud to present our upcoming Eyes of the Orangutan screening events in Sydney, Melbourne and Auckland, we would like to introduce you to one of the orangutans who have been directly... View Article
BEN IS MAKING HIMSELF AT HOME
Do you remember Ben, the 500th orangutan the BOS Foundation released in November 2022? Our Post Release Monitoring team recently spotted him in his new forest home. One morning, the Post-Release Monitoring (PRM) team in the... View Article
MYSTERY ORANGUTAN VISITOR
Camp Lesik has had a new visitor. The Post Release Monitoring (PRM) team recently observed an orangutan off the back of the camp. While we don’t yet know who this individual is, we can be certain... View Article
PROPER SNAKE HANDLING
The BOS Foundation recently collaborated with the Indonesian Snake Sioux Foundation to provide snake-handling training for the Post Release Monitoring (PRM) team members. As a result, the team’s perceptions of snakes changed. Snakes will either spark... View Article
GONE WITH GONZALES IN THE FOREST
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
MEET THE ORIENTAL WHIP SNAKE
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
ORANGUTAN WARRIOR: NUR SYAMSIAH
It has been some time since we brought you a new Orangutan Warrior profile. This time, we’d like to introduce you to one of the inspiring women who has been a part of our Orangutan Habitat... View Article
HOW DO ORANGUTANS ‘TALK’?
Orangutans are semi-solitary primates who spend the majority of their lives alone. However, in some orangutan populations, the females will gather in groups from time to time, especially during the fruiting season, when forest food is... View Article
ORANGUTAN RESCUE AT MUARA TOYU
On 6 December 2022, the Balikpapan BKSDA received a report from an employee of PT. Balikpapan Wana Lestari (BWL) that an orangutan had visited the workers’ camp and interacted with staff over four consecutive days. According... View Article