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HOW DO WILD AND REHABILITATED ORANGUTANS DIFFER IN BEHAVIOUR?
Did you know that orangutan behaviours can differ? Nature and nurture both play strong roles.
HOW DO WILD AND REHABILITATED ORANGUTANS DIFFER IN BEHAVIOUR?
Did you know that orangutan behaviours can differ? Nature and nurture both play strong roles.
Looking for news on our latest releases?
Read about our latest releases with engaging stories, on the ground footage and incredible imagery.
JUMBO’S JOURNEY: PREPARED FOR RELEASE
In the near future, Jumbo will be one of the orangutan candidates to be...
AN ADVENTURE TO BUILD COURAGE AT NEW FOREST SCHOOL
In the large-group Forest School, seven young orangutans actively play and...
ROYAL PARKS HALF CHARITY PLACES – RUN FOR ORANGUTANS
Missed out in the ballot process for this year’s 2025 Royal Parks Half? Good...
MUSHROOMS AND HONEY: SUSTAINABLE COMMUNITY DEVELOPMENT
Community development efforts continue to be carried out by the Borneo...
More incredible news worth reading
LONG TIME NO SEE, LEONIE!
In Kehje Sewen Forest, our Post-Release Monitoring (PRM) team encountered Leonie, a female orangutan who was last seen in 2017. Our PRM team split into two groups to patrol and clear the transect path, which had become overgrown with thickets, and to provide tagging...
DAISY REAPPEARS WITH BABY!
Our Post-Release Monitoring (PRM) team in the Bukit Batikap Protection Forest (Batikap) recently observed two special visitors near the Totat Jalu Monitoring Camp. A female orangutan, later identified as Daisy, emerged from the opening of Transect Anton, cradling a...
BAIMAH’S DIET CHECK-IN
Baimah, an orphaned orangutan from Kongbeng District, East Kutai, arrived at the Samboja Lestari Orangutan Rehabilitation Centre in September 2022. At 15 kg, she was severely overweight for an orangutan of her age and was immediately placed on a diet to get her back...
TAKING ACTION BEFORE IT IS TOO LATE: FOREST FIRES IN 2023
With global climate change creating more extreme weather events, forest fires tragically make headlines all too often. In Kalimantan, the working areas of the Borneo Orangutan Survival (BOS) Foundation have not been spared from occasional fire outbreaks, with years...
JEFFREY SHARES HIS ISLAND HOME
Jeffrey, an unreleasable male orangutan who is too old to undergo the rehabilitation process, is now sharing Island 0 with Yuyun, a female orangutan who was transferred to the island in February. Jeffrey was born at the Samboja Lestari Rehabilitation Centre in...
THE INDEPENDENT DELILAH
Delilah was born on 29 June 2018, to her mother Dilla, who was unable to care for her newborn. With a heavy heart, our Animal Welfare team had to take over responsibility for Delilah’s care and she was raised by our dedicated surrogate mothers at the Nyaru Menteng...
THE ‘WHISKERED’ WONDER OF KEHJE SEWEN
The whiskered treeswift (Hemiprocne comata) is the smallest bird species in the Hemiprocnidae family. The feathers on this bird’s head, wings, and tail are bluish-black in colour, while its back and chest are shaded olive-brown. This striking bird has unique,...
YUYUN MOVES TO ISLAND 0
Yuyun is a 29-year-old female orangutan with Orangutan Respiratory Disease Syndrome (ORDS) who previously occupied an individual enclosure at the Samboja Lestari Rehabilitation Centre. She is one of 23 individuals with chronic respiratory diseases cared for by our...
NEW ARRIVAL SPOTTED CLINGING TO SAYANG
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 was not able to locate her again. Meanwhile, Lesan and her family were often spotted and monitored around Camp Lesik. But,...
BOS-UK ANNOUNCES PARTNERSHIP WITH NURTURE BRANDS: DOISY & DAM
BOS-UK is proud to announce our new partnership with Nurture Brands through their Doisy & Dam line of products! Their ethical vegan chocolates line is B-Corp-certified and is strictly palm oil-free. Their top-quality ingredients and high-quality production methods...
PROTECTING THE BORNEAN CRESTED FIREBACK
At dawn, when the air was still misty, the constant sound of a rooster crowing could be heard coming from the front of the camp. When I went to investigate, I saw two birds staring at each other, one was the rooster that had been raised in the camp, and the other was...
LESAN’S NEW FAMILY DYNAMIC
Lesan gave birth to her second-born in the forest about five months ago, and we are happy to report that both mother and baby are doing well! Lesan’s baby, whom we can now confirm is male, is becoming more active under the watchful eye of his mother and big sister,...
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