orangutans

BOSF Kicks Off New Year with Orangutan Release

In collaboration with the Central Kalimantan BKSDA, we have started 2018 with the release of four orangutans in to the Bukit Baka Bukit Raya National Park, in Central Kalimantan! These four orangutans have each completed a long rehabilitation process and are now ready to start their new life in the wild.

Challenging Road to Freedom

On January 10, Pong, Rutan, Agis, and Jaka were sedated and examined by the medical team at Nyaru Menteng. Once asleep, our team carefully moved the four into separate transport cages, then loaded the cages onto the back of the utility vehicles that would take them directly to Tumbang Tundu, the last village accessible by car. During the trip, and in li      ne with our Standard Operating Proceedures, the team stopped every two hours to check the orangutans.

The medical team sedates the orangutans

The release team lifts transport cages onto utility vehicles

The rain was heavy and extra special care was needed on the wet and slippery roads. After four hours of driving, the team arrived at the ferry crossing in Tumbang Manggu village. Torrential rain had caused the river to rise, bringing bundles of potentially dangerous drift logs downstream. The team sensibly decided to stay overnight at Tumbang Manggu and continue the trip the next morning.

After crossing the river, the road across was flooded which slowed transportation down even more, and the team had to prepare for other obstacles they might face further down the road.

The team crosses the flooded road

Unlike other release trips, the team reached Tumbang Tundu around noon time. They quickly transferred the transport cages to the small motorized ‘klotok’ boats. After a 5-hour trip upstream, the team had reached the location, and carried the transport cages from the river bank to predetermined release points.

 Team members get ready to carry transport cages to the release points

Four Friends Embrace Freedom

On Thursday evening, the four orangutans were successfully released! Pong’s cage door was opened first, followed by the cages of the beautiful female orangutans, Rutan and Agis. The youngest orangutan, Jaka, was the last to gain freedom in the Bukit Baka Bukit Raya National Park.

Agis’s transport cage was opened by Mayzura Restalia

Jaka’s transport cage was opened by Oetomo Wiro

After the last cage was opened, the Post-Release Monitoring (PRM) team quickly began working in pairs to observe and gather data on the released orangutans. They will follow and take notes on the released orangutans for 30 days, through nest-to-nest observations – from dawn till dusk. These data provide valuable information on how orangutans adapt to life in a natural habitat.

This release brings the number of rehabilitated orangutans released to the Bukit Baka Bukit Raya National Park since 2016 to 75. Since 2012, the BOS Foundation has released 330 orangutans from the Nyaru Menteng and Samboja Lestari rehabilitation centers to sites located in East and Central Kalimantan.

We would like to thank all stakeholders for their support and contributions to ensuring the conservation of orangutans and their habitats in Indonesia.

Text by: BOS Foundation Communication Team

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