When Ajeng Met a Wild Male
Our team from Nles Mamse Camp in the Kehje Sewen Forest recently observed Ajeng, a female orangutan we released back in September 2015. The team spotted her resting in the top of a tree and quickly... View Article
Our team from Nles Mamse Camp in the Kehje Sewen Forest recently observed Ajeng, a female orangutan we released back in September 2015. The team spotted her resting in the top of a tree and quickly... View Article
22 March 2017
At the end of February, a joint team from the Central Kalimantan BKSDA and the BOS Foundation embarked on an orangutan rescue mission to save a group of orangutans stranded along the banks of the Mangkutub River in Kapuas Regency, Central Kalimantan.
16 February 2017
The BOS Foundation strongly condemns the recent killing of an adult orangutan by 10 oil palm plantation workers in Kapuas, Central Kalimantan. This unfortunate event adds to the long list of conflicts between humans and orangutans within oil palm plantation areas.
10 November 2016
BOS Foundation Nyaru Menteng’s goal of utilising the Salat Nusa islands as a new pre-release area for rehabilitated orangutans has finally been achieved, with last week’s release of 12 Forest School graduates for the first time to Badak Kecil Island, in Pulang Pisau Regency, Central Kalimantan.
3 November 2016
Following a long process to secure the rights to utilize parts of Salat Island in Pulang Pisau Regency, Central Kalimantan, the Borneo Orangutan Survival (BOS) Foundation in collaboration with the local community have been granted permission to establish an orangutan conservation area on Salat Island
4 August 2016
You may recall the two orphaned, male baby orangutans that came into the BOS Foundation’s care in 2015 named Napri and Yutris.
BOS Foundation: 14 July 2016 The International Union for Conservation of Nature (IUCN) has declared the Bornean orangutan as critically endangered meaning that it faces an “extremely high risk of extinction in the wild.” Hunting along... View Article
21 June 2016
Two more baby orangutans have recently come into the BOS Foundation’s care.
8 June 2016
On May 27, the BOSF Orangutan Reintroduction Program from Samboja Lestari released five orangutans to the Kehje Sewen Forest in the East Kutai and Kutai Kertanegara Regencies of East Kalimantan.
12 April 2016
The BOS Foundation Marks International Earth Day With the Release of 12 Orangutans. Since February 2012, the BOS Foundation has released 195 orangutans. This release will bring the total number to 207.
7 April 2016
Who could forget George, the beautiful baby orangutan rescued by the Samboja Lestari rescue team on 19 May, 2015. Catch up on his progress in our care.
3 March 2016
The BOSF Samboja Lestari Orangutan Reintroduction Program recently received another orphaned orangutan.
Visiting the orang-utans at the zoo brings us face to face with some of our closest relatives. Moments of connection with these intelligent creatures can be powerfully emotional.
19 February 2016
Ecotourism will only help save orangutans if it generates enough income to replace that coming from logging, new research suggests.
February 2016
The BOS Foundation Enrichment team in Samboja Lestari and Nyaru Menteng Orangutan Reintroduction Programs picked up new knowledge in building more enrichment infrastructures, thanks to the Shape of Enrichment who conducted workshop series in Samboja Lestari and Nyaru Menteng the past 2 weeks.
4 February 2016
Very sadly, young orphaned orangutans keep arriving. On February 1st, the BOS Foundation once again collaborated with the Central Kalimantan BKSDA to rescue another baby.
1 December 2015
As 2015 draws to an end, the BOS Foundation inaugurates a new special care unit and releases 4 orangutans from Samboja Lestari to Kehje Sewen Forest
29 Nov 2015
The recent forest fires and haze have left many young orangutans orphaned and we have already rescued 6 infants in the last few weeks bringing our baby group to 22 orangutans. Even more are expected to arrive and our current Baby House is too small and insufficient for our needs.
24 October 2015
Forest fires have severely damaged or cleared large swathes of orangutan habitat across Kalimantan - help us buy emergency fire fighting equipment. SMS the word 'BOSA' to 0467 000 273 to donate.
5 October 2015
After successfully controlling the fire threat to Samboja Lestari, BOS CEO Jamartin Sihite and his team are facing fresh danger at the home of Cinta, Jumbo, Nita, Miko, Ruthie and Nody and hundreds more Orangutans.
4th September 2015
Right now our teams are fighting fires and preventing fire outbreaks. We need your
immediate support to halt fire and equip our teams with sufficient life saving fire-fighting equipment.
1 September 2015
In commemoration of the International Orangutan Day on 19th August, BOS Foundation will release another 5 orangutans from Samboja Lestari to Kehje Sewen Forest, East Kalimantan. Here are their profiles
24 August 2015
Last Sunday, we focused our efforts on nest-to-nest observations of Yayang and her new baby. (
24 August 2015
In commemoration of the International Orangutan Day on 19th August, BOS Foundation will release another 20 orangutans from Nyaru Menteng to Bukit Batikap Conservation forest, Central Kalimantan.
14 August 2015
BOS Foundation CEO, Dr. Jamartin Sihite, has received the GRASP – Ian Redmond Conservation Award in Kinabalu, Malaysia.
June 2015
Dr.Jamartin Sihite, CEO of the Borneo Orangutan Survival Foundation appeals for BOS Australia to help raise $75,000 by the end of June so that we will be able to release another 15 orangutans back to the wild.
23 May 2015
In trying to meet the goals specified in the Indonesian Orangutan Conservation Strategy and Action Plan (2007), the BOS Foundation with the support of the local community is trying to utilise a small part of Salat Nusa island located in the estuary of Kahayan River as an orangutan conservation area, as well as to protect environmental services rendered by this essential ecosystem.
Jacqui Sunderland-Groves is a primatologist and Senior Advisor at the Borneo Orangutan Survival Foundation in Indonesia, and joins Ellen Fanning on RN Breakfast.
26 March 2015
In 2007, the President of the Republic of Indonesia, Susilo Bambang Yudhoyono, launched a national program called “Orangutan Indonesia: Conservation Strategies and Action Plan”. This program was designed by orangutan experts and outlined a series of actions and strategies needed to protect orangutans in Sumatra and Kalimantan over a 10 year period, circa 2010 to 2017.
5 March 2015
The BOS Foundation released five orangutans in the Bukit Batikap Conservation Forest, Central Kalimantan, this February.
20 February 2015
Reintroduction program update from Nyaru Menteng.
13 February 2015
This is a story about BOS vet Meryl meeting Meryl the orangutan, the first Nyaru Menteng rescue of the year.
5 February 2015
At the Orangutan Forest School in Samboja Lestari the young orangutans all display individual traits. Of all these students Lesly stands out as the smart one who loves attention.
29th January 2015
This January the BOS Foundation and RHOI was fortunate enough to be able to yet again save another orangutan from being harmed and translocate him to a safe area of forest.
December 2014
Over the past six months or so our teams have been busy evaluating our orangutans’ progress, carrying capacity, conditions at our release sites and future planning for our reintroduction programs in both Central and East Kalimantan.