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BEHIND THE CONSERVATION: KEEPING ORANGUTAN HABITAT MONITORING OPERATIONS RUNNING AMIDST DELAYS
In recent months, heavy rainfall has severely deteriorated the road conditions leading to Camp Lesik, but orangutan habitat monitoring operations must still prevail.
BEHIND THE CONSERVATION: KEEPING ORANGUTAN HABITAT MONITORING OPERATIONS RUNNING AMIDST DELAYS
In recent months, heavy rainfall has severely deteriorated the road conditions leading to Camp Lesik, but orangutan habitat monitoring operations must still prevail.

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Read about our latest releases with engaging stories, on the ground footage and incredible imagery.
ECKY, KLAUS, AND FRANK ADVANCE TO FOREST SCHOOL LEVEL 2
At Forest School, there is no academic calendar to dictate when an orangutan...
SEBANGAU PROGRAM: A CONCRETE STEP TO PROTECT PEATLANDS FROM EL NIÑO THREATS
As part of its ongoing conservation commitment, the Borneo Orangutan Survival...
ORANGUTANS SPOTLIGHTED IN PARLIAMENT
On the 6th of July, BOS UK and The ICCF* Group co-hosted “Connecting...
2027 ETAPE LOCH NESS – CYCLE FOR ORANGUTANS
Want to run to make a difference? We are actively recruiting cyclists to join...
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KEEPING TRACK OF THEM AFTER THEY RETURN TO THE FOREST
A release into the wild is often seen as the final chapter in an orangutan’s rehabilitation journey. After years of care and training at rehabilitation centers such as Nyaru Menteng and Samboja Lestari, learning to climb, forage, and live independently through forest...
DEBATE IN PARLIAMENT: TUESDAY, 23 JUNE
Just announced! Mark your diaries for this Tuesday, the 23rd of June at 14:30, as there is to be a 90-minute debate in the UK Parliament’s Westminster Hall, led by Ms Kerry McCarthy - MP for Bristol East. MP Kerry McCarthy releasing Lanting After joining our...
WHEN A SNARE ALMOST STOPPED HER LIFE
The Samboja Lestari Rehabilitation Center recently received another sun bear (Helarctos malayanus) in heartbreaking condition. The female sun bear arrived weak and exhausted after being evacuated by the BKSDA Section Region II Tenggarong team. According to the BKSDA...
THREE DAYS WITH MANGGO AND MELKI IN BUKIT BATIKAP PROTECTED FOREST
The Post-Release Monitoring (PRM) team once again recorded interesting observations of orangutans living freely in the Bukit Batikap Protected Forest, Central Kalimantan. This time, the monitoring focused on a mother orangutan named Manggo and her offspring, Melki,...
UNDERSTANDING ORANGUTAN MENTAL HEALTH
When we talk about mental health, we usually think about humans – trauma, grief, depression, and healing. But what if we told you that orangutans can experience these things too? Most primate species are social animals. In orangutans, the semi-solitary trait is most...
OTAN: THE EXPLORER FROM THE UPPER BEMBAN RIVER
The morning mist still hung lightly over the forest canopy as our Post-Release Monitoring (PRM) team began their routine patrol in the Bemban River watershed, part of Bukit Baka Bukit Raya National Park (TNBBBR). In between these activities, the team also checked...
REFORESTING & PROTECTING SEBANGAU NATIONAL PARK
Sebangau National Park is one of the most important remaining strongholds for wild Bornean orangutans anywhere on Earth. Spanning vast peat swamp forests in Central Kalimantan, this landscape is home to nearly 9,000 orangutans, a significant portion of the world’s...
ORANGUTAN MONITORING EXPEDITION AND BIODIVERSITY INVENTORY IN KEHJE SEWEN FOREST
Behind the dense canopy of Kehje Sewen Forest, there is a group of people who walk not for adventure, nor for recognition. They walk to ensure that the forest continues to hold life and that every creature living within it still has a home to return to. They are the...
PROBOSCIS MONKEY: THE LONG-NOSED PRIMATE OF KEHJE SEWEN FOREST
An exciting encounter occurred when our Biodiversity–Post Release Monitoring (B-PRM) team conducted a patrol in Kehje Sewen Forest, East Kalimantan. During the patrol, the team successfully observed one of Borneo’s endemic primates, well known for its distinctive long...
EARTH DAY 2026: OUR POWER, OUR PLANET
Every April 22, millions of people across the world take a moment to realise something simple yet profound: the Earth is our shared home. Since its inception in 1970, Earth Day has developed into a global movement comprising over one billion individuals in over 190...
CONNECTING COMMUNITIES TO CONSERVATION IN BORNEO
Protecting orangutans doesn’t start in the forest alone. It starts with the people who live alongside it. At the Borneo Orangutan Survival Foundation (BOSF), conservation has always gone hand in hand with community. Across Central and East Kalimantan, our work extends...
UK DELEGATION TO INDONESIA
Over the Easter Parliamentary break, Borneo Orangutan Survival (BOS) UK and the International Conservation Caucus Foundation (ICCF) hosted a cross-party delegation of six UK Members of Parliament. The purpose of the visit was simple but powerful: to provide first-hand...
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