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EARTH DAY 2025: OUR POWER, OUR PLANET
On Earth Day – and every day – let’s work together to protect this planet
EARTH DAY 2025: OUR POWER, OUR PLANET
On Earth Day – and every day – let’s work together to protect this planet
Looking for news on our latest releases?
Read about our latest releases with engaging stories, on the ground footage and incredible imagery.
A NEW LIFE IN THE BATIKAP FOREST: INUNG, INDIE, AND THE BIRTH OF INDRO
In 2024, our Post-Release Monitoring (PRM) team in the Bukit Batikap Protected...
YOUNG ORANGUTANS’ JOURNEY AT FOREST SCHOOL
At the end of 2024, Baimah and Feruza finally advanced to Forest School Level...
YUYUN: JOURNEY TO RECOVERY AND A NEW HOME ON THE ISLAND
Yuyun is an orangutan who has lived on Island #0 at Samboja Lestari for a long...
RELOCATION OF THE CENTRE AT NYARU MENTENG: A STEP TOWARDS BETTER CONSERVATION
As part of the commitment to implementing animal welfare principles, the Nyaru...
More incredible news worth reading
THE RETURN OF MENTOS: A MOTHER’S JOURNEY IN BUKIT BATIKAP
At the end of 2024, our Post-Release Monitoring (PRM) team encountered an old face in the Bukit Batikap Protected Forest. After years of being untracked since her release in 2015, the female orangutan Mentos was finally identified again. Even more special, she was not...
THE MAMMOTH PROBLEM: WHY ORANGUTANS NEED OUR HELP NOW
Orangutans are facing a mammoth problem. One that threatens not only their survival but the health of our planet. For this reason, WE face a mammoth problem and our fates are intertwined. With illegal logging, habitat loss, and climate change pushing them toward...
A GRASSY ADVENTURE WITH THE CHEEKY ORANGUTANS AT NYARU MENTENG
Welcome to another thrilling day at the Nyaru Menteng Forest School! Today, we’re hanging out with our favorite cheeky orangutans — Paulinus, Bumi, and their playful pals — for some epic fun with fresh-cut grass! They’ve stumbled upon a massive pile of freshly cut...
HOW DO ORANGUTANS LEARN THROUGH PLAY?
Every young orangutan is always on the lookout for their next big adventure! Whether it’s a new puzzle to solve, a challenge to conquer, or a skill to master, they are full of energy and enthusiasm, ready for whatever comes next. Their world is curious and exciting,...
NYARU MENTENG II UPDATE: FEBRUARY 2025
Progress is being made as BOSF constructs the new islands, forest school, and facilities for the orangutans' big move to the new Nyaru Menteng II. The Borneo Orangutan Survival Foundation (BOSF) is relocating one of its centers, the Nyaru Menteng orangutan...
DERMATITIS CASES IN ORANGUTANS
Recently, several orangutans on our pre-release islands have been undergoing recovery from skin health issues. These orangutans were exposed to the rengas tree (Gluta renghas), a plant known to be dangerous for both human and orangutan skin. The rengas tree is...
BABY ORANGUTAN FROM PENDAMARAN VILLAGE, NOW SAFE AT SAMBOJA LESTARI
One month ago, the Borneo Orangutan Survival (BOS) Foundation welcomed a new baby orangutan at the Samboja Lestari Rehabilitation Centre. This female orangutan, named Jenny, was rescued after a local resident from Pendamaran Village, Kembang Janggut District, Kutai...
TEMON AND LAHEI DISAPPEAR!
Temon, a 3-year-old female orangutan, and Lahei, a 4-year-old male, are skilled and independent explorers from the large Forest School group at the Nyaru Menteng Rehabilitation Centre. Temon and Lahei don't socialise much with the other orangutans in their group, but...
DENTAL EXAMINATION IN ORANGUTANS
Just like humans, orangutans also require proper dental care, including regular check-ups and specialized treatment. Recently, one of the male orangutans in our rehabilitation centre underwent a dental operation due to issues with his teeth, including caries and...
THE RETURN OF THE DOMINANT ORANGUTAN IN KEHJE SEWEN FOREST
After a long absence, one of the dominant male orangutans, Hamzah, has finally been spotted again near Camp Lesik in Kehje Sewen Forest. Our Post-Release Monitoring (PRM) team was stunned by Hamzah's appearance, as the last time he was seen was in 2022. At that time,...
HILDA AND HIRAN: A NEW CHAPTER IN THE WILD
Another story about a mother and her infant from one of our release locations in Bukit Baka Bukit Raya National Park (TNBBBR). This time, our Post-Release Monitoring (PRM) team in the Hiran watershed successfully observed Hilda, a female orangutan released back into...
SELFIE: A RESCUED BABY ORANGUTAN FROM TUMBANG SAMBA
On August 12, 2024, the Nyaru Menteng Orangutan Rehabilitation Centre received a report about a baby orangutan in Tumbang Samba Village, Katingan Regency, Central Kalimantan. The female orangutan, estimated to be 10 months old, was found by a local resident who worked...
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