10 rescued orangutans returned to wild in Indonesia

10 rescued orangutans returned to wild in Indonesia

Nenuah, a 19-year-old orangutan, sits in a tree after being released at Bukit Batikap Protection Forest in Murung Raya regency, Central Kalimantan province, Indonesia, Feb 16, 2021 (Courtesy of Borneo Orangutan Survival Foundation (BOSF)/Handout via REUTERS)
Nenuah, a 19-year-old orangutan, sits in a tree after being released at Bukit Batikap Protection Forest in Murung Raya regency, Central Kalimantan province, Indonesia, Feb 16, 2021 (Courtesy of Borneo Orangutan Survival Foundation (BOSF)/Handout via REUTERS)

JAKARTA: Ten orangutans have been released back into the wild in the Indonesian portion of Borneo island, with helicopters used to ferry the critically endangered great apes deep into the forest from rehabilitation centres.

The Bornean orangutans that had all been in captivity before their rescue included Nenuah, a 19-year-old female who was repatriated from Thailand, according to the Borneo Orangutan Survival Foundation (BOSF).

In total, five males, a mother with two babies, and two other females were released with assistance from Indonesian conservation agencies.

"Using a helicopter is the best way to transport orangutans during the pandemic," said Denny Kurniawan, BOSF programme manager, noting it would have taken three days of driving to reach one drop-off area, adding to the risk of Covid-19 transmission.

Orangutans and other apes are known to be susceptible to human respiratory illnesses, so veterinarians donned protective suits and masks during final medical checkups.

"Efforts to help curb the spread of the Covid-19 virus have hampered many conservation-related activities," said Handi Nasoka, acting head of Central Kalimantan's conservation agency.

Rehabilitation has been a slow process for other orangutans that arrived at one centre with Nenuah in 2006, the foundation said in a statement, adding that most of the apes have found it difficult to develop the skills needed to fend for themselves in the wild, due to lengthy periods spent in captivity.

There are only estimated to be around 100,000 Bornean orangutans left in the wild, according to the World Wildlife Fund, more than half the population being depleted over the past 60 years.

They have suffered from illegal poaching, as well as destruction of habitat due to large-scale logging and replacement of forests with cash crops such as palm oil. 

Orangutans are transported in cages by a helicopter to the release site, at Juq Kehje Sewen Island in East Kutai regency, East Kalimantan province, Indonesia, Feb 18, 2021. (Courtesy of Borneo Orangutan Survival Foundation (BOSF)/Handout via REUTERS)

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