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
Have you ever wondered how our forest schools resemble orangutans’ natural habitats? Let’s peek in and see! Sri Rahayu, BOS Foundation’s Surrogate Mother Coordinator at our Nyaru Menteng centre, and her fellow babysitters prepare for another... View Article
The Wehea Dayak Village, located in Kalimantan’s beautiful interior, showcases a uniquely preserved culture emphasising life in harmony with nature. The Wehea Dayak are indigenous people living in the Muara Wahau District of East Kutai Regency,... View Article
BOS collaborates with indigenous communities to use locally grown grass as a polybag substitute for reforestation projects. Purun (Lepironia articulata) is a type of rush or grass of the Cyperaceae family that grows in Indonesia’s peatlands, especially on the... View Article
We are thrilled to report that we brought another twelve orangutans home. In mid-November, our parent organisation, the BOS Foundation, successfully conducted their 68th orangutan release as a monumental back-to-back airlifting operation. It was a long-planned... View Article
Michel Zwecker has been BOS Australia’s Philanthropy Manager for the past three years. He will soon be moving on, but before he leaves, we asked him to share some insights about his critical work. How vital... View Article
CANDIDATES FOR THE 42nd ORANGUTAN 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)... View Article
Jeffrey, an unreleasable male orangutan too old to undergo rehabilitation, is now sharing Island 0 with Yuyun, a female orangutan who the BOS Foundation team transferred to the island in February. Jeffrey was born in 1998... View Article
After Sayang was seen some months ago with an enlarged belly and other signs of pregnancy, our Post-Release Monitoring (PRM) team from Camp Lesik could not locate her again – until recently. Meanwhile, Lesan and her... View Article
About five months ago, Lesan, one of the first orangutans released in the Kehje Sewen forest in 2012, gave birth to her second wild-born baby. How are they both doing? The Post Release Monitoring team at... View Article
Meet Nur, the RHO Community Development Coordinator at BOS Foundation’s Orangutan Habitat Rehabilitation (RHO) programme in East Kalimantan. While her work is not directly with orangutans, Nur’s role significantly impacts BOSF’s orangutan reintroduction programmes. What does... View Article
In our first release of 2023, the BOS Foundation team recently returned five orangutans to their wild home. It is one of those moments that still give us goosebumps: The second when one of our rehabilitated... View Article
Can you imagine how difficult it must be for an orangutan to climb trees, forage for food, and build nests – with no arms? Yet, Kopral makes it look easy. He is our superhero and one... 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
The Ministry of Environment and Forestry of the Republic of Indonesia (KLHK), with the Natural Resources Conservation Center (BKSDA) of East Kalimantan, assisted by the Borneo Orangutan Survival (BOS) Foundation has successfully conducted its 25th orangutan... View Article
In recent months, Sayang has not appeared around Camp Lesik in the Kehje Sewen Forest. Unlike before, when our team often saw the families of Sayang and Lesan spending time together around the camp, they only... View Article
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
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
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
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
Our Post-Release Monitoring (PRM) team recently translocated Hanung, who the BOS Foundation released to the Kehje Sewen Forest in 2016. Find out why. In addition to releasing and monitoring orangutans in the forest, the PRM... View Article
Our Post-Release Monitoring (PRM) team recently searched for orangutans at Puncak Leke in the Kehje Sewen Forest when they caught sight of an unidentified animal. They looked closely at the curious creature and noticed it was... View Article
One of the skills the Post-Release Monitoring (PRM) team members learn when working in the Kehje Sewen Forest is the ability to fire a tranquiliser gun and become jungle sharpshooters. All of them must possess this... View Article
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
One morning, a Post-Release Monitoring team made up of members Pel, Emen and Jeje, along with our veterinarian, Dr Made, went on patrol along Transect #9. Suddenly, they spotted a male orangutan. Who was it? Well... View Article
On 3 November 2022, a resident of Tumbang Kajamei village in Central Kalimantan travelled for four hours by motorcycle to hand over baby orangutan, Iqo to the BOS Foundation team. When the little female arrived at... View Article
The Kehje Sewen Forest has welcomed a new resident! Following confirmation from our veterinarian in October last year that Lesan was pregnant, we are thrilled to announce that she has since given birth! Lesan was last... View Article
Do you remember Inung and Indie? The Post-Release Monitoring team recently spotted the unexpected visitors of a mother-infant pair near Camp Totat Jalu in the Bukit Batikap Protection Forest, Central Kalimantan. Inung and Indie were observed... View Article
The BOS Foundation is on a mission to release as many ready orangutans as possible from its two rehabilitation centres into the wild, where they can breed naturally in the forest. However, while in a rehabilitation... View Article
On Saturday, November 12, a small caravan carrying some very special cargo departed from the BOS Foundation’s Nyaru Menteng Orangutan Rehabilitation Centre in Central Kalimantan. The teams started the day as the sun rose with a... View Article
Adele is a female sun bear who was first discovered by employees of PT. Inhutani in Long Nah, East Kutai Regency. At the time of her rescue, she was only about a month old, with her... View Article
Recently, our monitoring team conducted nest-to-nest observations on Desi, a female orangutan residing on Juq Kehje Sewen, one of BOS Foundation’s pre-release islands in East Kalimantan. The team, consisting of Aluna, Ubay, Rustam, and Erik, had been... View Article
An overcast sky provided the perfect atmosphere for a relaxing afternoon at Camp Nles Mamse. While resting in a swaying hammock, I read a book and enjoyed the cool air as it gently breezed through the... 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
