Meet Mawas

The Mawas Conservation Program is one of our working areas in Central Kalimantan. Unlike the Nyaru Menteng Orangutan Rehabilitation Centre, it does not address orangutan rehabilitation but concentrates on preserving the population of wild orangutans living... View Article

Keeping rituals alive

In addition to protecting and preserving Bornean orangutans and their habitat, BOS works closely with local communities to help maintain their cultures and traditions. One example of a traditional ceremony we participate in is the naq lom. It... View Article

Feasting in the forest

In the forest, our Post-Release Monitoring (PRM) team members rely on supplies purchased monthly in Muara Wahau, the nearest town to Camp Nles Mamse, about 70 kilometres away. There, logistical and bulk food supplies, including vegetables... View Article

The power of the hornbill

The hornbill is a perfect example of how tight nature and culture are interwoven. The unique bird with its brightly coloured and distinctively shaped bill not only helps to maintain the quality of forest ecosystems; it... View Article

Survey on bikes

When we release orangutans to the Bornean rainforest or a pre-release island, we need to make sure they find enough natural food. Therefore, we not only monitor them and make sure they are healthy and adapting... View Article

Stuck in the jungle

Have you ever wondered how our Post-Release Monitoring (PRM) Team in East Kalimantan transports all their equipment through the Bornean rainforest? To say the least, it’s challenging. It’s a long journey to reach our two camps... View Article

Our first rescue of the year

In cooperation with the Central Kalimantan Natural Resources Conservation Agency (BKSDA), we recently carried out our first rescue mission of the year. An adult male orangutan needed our help. We had received some information about this... View Article

Did you know we observe birds?

Pre-release islands are the university for our rehabilitated orangutans. Before their release to the wild, every Forest School graduate has to prove and hone their learned skills on one of our human-made islands. As a forested... View Article

Our Big Boy Beni!

Where to start when talking about everybody’s darling, Beni? He is the megastar of the award-winning documentary series ‘Orangutan Jungle School’. He has fans all around the globe who follow the daily video posts on his... View Article

Free Dilla!

We have great news: Orangutan Jungle School star Dilla, together with her female friends Mawas and Jeliva, has been released on the Badak Kecil Orangutan Sanctuary Island! We are delighted to report the safe and successful... View Article

“In worst case, we jump!”

Our Post-Release Monitoring (PRM) team at Lesik Camp, in the Kehje Sewen Forest of East Kalimantan, has a plethora of stories to tell. Observing released orangutans is never dull. Since orangutans are extremely intelligent great apes... View Article

Papa, a beacon of hope

Not every orangutan resident of the BOS Foundation’s rehabilitation centres will have the opportunity to return to a natural forest where they can live wild and free. There are several individuals who, due to various reasons,... View Article