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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.
TWO BABY ORANGUTANS RESCUED IN SAMBOJA
One evening at 7:00 PM local time, one of our veterinary team members, Drh....
SAD NEWS: THE PASSING OF FANI AT 24 YEARS OLD
It is with a heavy heart that we report that Fani has passed away aged 24,...
JUMBO’S NEW LIFE IN HIS NEW HOME
Jumbo is the fifth orangutan to be released into the Bukit Baka Bukit Raya...
JUMBO’S JOURNEY: PREPARED FOR RELEASE
In the near future, Jumbo will be one of the orangutan candidates to be...
More incredible news worth reading
THE DAYAK WAY OF EMBRACING TRADITION AND SUSTAINABILITY
The Wehea Dayak Village, located in Kalimantan’s beautiful interior, showcases a uniquely preserved culture that emphasises life in harmony with nature. The Wehea Dayak are one of the indigenous peoples who live in the Muara Wahau District of East Kutai Regency, East...
KEMBARA AND ITS ENCHANTING BLUE WINGS
One of the butterflies found near Camp Nles Mamse recently immediately caught the attention of our Post-Release Monitoring (PRM) team. Our team spotted the butterfly after it touched down on a kinikir flower (Cosmos caudatus). The blue-patterned butterfly is in the...
THE ART OF ORANGUTAN NEST BUILDING
Orangutans are arboreal mammals that spend most of their time in treetops. These mammals are known not only as "forest farmers" but also as skilled "forest architects," with exceptional nest-building abilities. Most of their activities involve climbing, crawling, and...
FLEUR LOVES HER SERENE SOLITUDE
Fleur is a sun bear who started her journey with the BOS Foundation at the Nyaru Menteng Rehabilitation Centre. However, on May 8, 2018, was transferred to more sun bear-appropriate facilities at the Samboja Lestari Rehabilitation Centre alongside of six other sun...
FLOWERS, FRUITS, AND MORE IN THE KEHJE SEWEN FOREST
Careful consideration is essential when determining the release area for orangutans. While many factors are considered when selecting a release area, one of the most important is ensuring that the forest is productive and its natural food sources are capable of...
SUSTAINABLE WASTE MANAGEMENT FOR ALL
Every year on February 21, Indonesia celebrates National Waste Awareness Day. This occasion serves as an opportunity to improve public awareness of the importance of sustainable waste management and its critical role in preserving the environment and public health....
MIMICRY AND MELODY IN THE FOREST
The white-rumped shama (Copsychus malabaricus), also known as the shama thrush, is a small, but beautiful bird which belongs to the Muscicapidae family. It measures approximately 27 cm in length and boasts eye-catching feathers with a long, trailing tail. These birds...
LOVE IN BUKIT BAKA BUKIT RAYA NATIONAL PARK
In our most recent release journey this past December, we took eight orangutans from the Nyaru Menteng Rehabilitation Centre to the Bukit Baka Bukit Raya National Park (TNBBBR) in two separate trips. In the first journey, Cinta, Liti, Ojes, and Wanto were sent...
BEJE: TRADITIONAL FISH PONDS
Beje is a traditional fishpond widely used by the local communities in areas near the Mangkatip River. This includes the villages of Sungai Jaya, Mahajandau, Tambak Bajai, and Dadahup, in addition to many villages across the Mangkatip regency. During the dry season,...
THE BIG CHEEK-PADDER WITH AN EVEN BIGGER CURIOSITY!
Orangutans are incredibly intelligent and have phenomenal memories. They can remember past travel routes through trees as well as the contours of the terrain. As a result, it's not surprising that our Post-Release Monitoring (PRM) team in the Kehje Sewen Forest knows...
HELP TO MONITOR AND PROTECT ORANGUTANS IN BORNEO: PROJECT REPORT 8 – ORANGUTAN SELFIES
Since the deployment of the new Reconyx cameras in the Bukit Batikap Protection Forest back in July last year, the BOS Foundation Post Release Monitoring (PRM) team has been collecting lots of wildlife images. So far, the images from July to September have been...
BOS-USA RECEIVES $60,000 FOR SUN BEARS FROM ASIA WILD!
Thanks to a generous grant from Asia Wild, 16 sun bears in the care of the BOS Foundation have received funding for their care for one year! For those sun bears, $60,000 goes a long way. These animals need ongoing care through food, medical attention, enclosures, and...
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