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Science Reports disagree3 publishers 2 min read Published

Indonesia releases eight orangutans rescued from Borneo fires into a protected reserve

Indonesian authorities and the YIARI foundation released eight orangutans into a protected forest in West Kalimantan after rescuing them from fires on Borneo. Rescuers call the relocation a necessary step once a habitat is no longer safe.

The Scientist · Science desk

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Orangutans fell from 230,000 to 104,000 in a century Estimated orangutans remaining in Borneo and Sumatra, versus a century earlier, according to WWF.

A before-and-after figure: orangutans across Borneo and Sumatra numbered more than 230,000 a century ago and about 104,000 now, a decrease.

Orangutans fell from 230,000 to 104,000 in a century
MeasureValueAs ofClaim
A century ago230,000 orangutansa century ago8
Now104,000 orangutans8

What happened

  • The eight were three mother-and-baby pairs and two male teenagers, relocated on Oct 9 to Batu Nyambu, a 23,000-hectare reserve of primary and secondary forest in West Kalimantan.
  • Rescue teams took the apes from several sites razed by fire last month, mostly plantations next to their forest homes in West Kalimantan province.
  • Rescuers said they chose the reserve for its food and water and its connections to other forests, so the apes are not simply moved on.
  • Indonesia fights dry-season wildfires most years, but 2026's are worse because of an El Nino forecast to rank among the strongest in four decades of comparable records.
  • The fires produced tens of thousands of respiratory illnesses locally and pushed air-pollution spikes into Singapore and Malaysia.

Why it matters

  • What it limits constraint A relocation only helps if the apes can survive where they land, so the work turns on finding forest that can hold them rather than on getting them out.
  • Who's exposed exposure The IUCN warned fires were burning in habitats holding 52 percent of Borneo's orangutans, so the population exposed to this season far outnumbers the few dozen rescue teams reached.
  • What it sets up precedent With slash-and-burn clearing having stripped the landscape of its natural fire resistance, severe fire seasons and the rescues they force are likely to recur.

Karmele Llano Sanchez, who runs the YIARI rehabilitation foundation, framed the release as a fallback. "Protection of habitats will always be a top priority to ensure orangutans continue to have safe forests to live in, but as long as their habitat remains threatened, rescue is one of the best options we can take to help them survive," she said. [5] On the rescuers' own account, rescue is the fallback, not the plan.

Argitoe Ranting, YIARI's operational director, said the goal is survival in the wild. "We want to ensure that rescued orangutans are not simply moved from one place to another, but actually have a chance to survive in their natural habitat," he said. [6]

The pace is set by the fire season. Rescue teams took in 46 orangutans between August and Oct 9. [7] Eight of them went to Batu Nyambu on the last of those days; the statements do not say where the other 38 are. [13] On this evidence the tempo tracks the fires, so whether relocation hardens into a permanent program depends on whether the fire seasons keep coming.

Set against the wild population, those are small numbers. The WWF puts the orangutans of Borneo and Sumatra at about 104,000, down from more than 230,000 a century ago. [8] Fewer than half of the earlier count survives. [14]

What to watch

  • Whether YIARI reports the fate of the other 38 orangutans rescued but not in this release.
  • Whether the El Nino fire season eases or keeps pushing apes out of fire-hit habitat.
  • Whether habitat protection, which rescuers call the priority, gains ground against plantation burning.

Clarity's read

What the record supports and how the coverage leans. The claims behind it follow.

Reality

Evidence62
Adoption
Not scored
Hype gap0
Incentives
Not scored
Confidence70

Perspective Coverage

6 publishers
Builder
Builder 4%
Operator
Operator 80%
Investor
Investor 16%
Why these scores

Claim ledger

Ranked by verification strength, evidence, and original report placement.

  1. [1]

    Eight orangutans rescued from fires on Borneo have been released into a protected forest, Indonesian authorities and the YIARI wildlife rehabilitation foundation said.

    Reported SupportedView cited source
  2. [2]

    The orangutans were saved from several locations razed by fires last month, mostly plantations near their forest homes, in West Kalimantan province.

    Reported SupportedView cited source
  3. [3]

    The eight, three mother-and-baby pairs and two male teenagers, were relocated on Oct 9 to the Batu Nyambu Protected Forest, a 23,000-hectare reserve with primary and secondary forest cover.

    Reported SupportedView cited source
  4. [4]

    YIARI operational director Argitoe Ranting said the reserve was chosen for the availability of food and water sources and its connectivity to other forests.

    Reported Supported Source: Argitoe Ranting, YIARI operational directorView cited source
  5. [5]

    Protection of habitats will always be a top priority to ensure orangutans continue to have safe forests to live in, but as long as their habitat remains threatened, rescue is one of the best options we can take to help them survive.

    Reported Supported Source: Karmele Llano Sanchez, YIARI CEOView cited source
  6. [6]

    We want to ensure that rescued orangutans are not simply moved from one place to another, but actually have a chance to survive in their natural habitat.

    Reported Supported Source: Argitoe Ranting, YIARI operational directorView cited source
  7. [7]

    Indonesian authorities and YIARI rescued 46 orangutans from threats of fires between August and Oct 9, local natural resources agency head Murlan Dameria Pane said.

    Reported Supported Source: Murlan Dameria Pane, local natural resources agency headView cited source
  8. [8]

    Around 104,000 orangutans remain in Borneo and Sumatra, down from more than 230,000 a century ago, according to WWF, which lists them as critically endangered.

    Reported Supported Source: WWFView cited source
  9. [9]

    The IUCN warned in September that fires were burning in habitats containing 52 percent of Borneo's orangutan population.

    Reported Supported Source: International Union for Conservation of NatureView cited source
  10. [10]

    Experts have pointed to slash-and-burn land-clearing practices that have changed the naturally fire-resistant landscape.

    Reported SupportedView cited source
  11. [11]

    The fires created severe haze locally, with tens of thousands of cases of respiratory illnesses, and caused regional air pollution spikes in Singapore and Malaysia.

    Reported SupportedView cited source
  12. [12]

    Sanchez said relocating the animals to a new location was a necessary step when their habitat was no longer safe.

    Reported Supported Source: Karmele Llano Sanchez, YIARI CEOView cited source
  13. [13]

    Of the 46 orangutans rescued, 38 were not part of this release of eight.

    Derived Supported
  14. [14]

    The current population of about 104,000 is fewer than half the more than 230,000 counted a century ago.

    Derived Supported
  15. [15]

    Indonesia regularly battles dry-season wildfires, but they intensified in 2026 because of an El Nino set to be one of the strongest since comparable records began four decades ago.

    Reported ContestedView cited source

Sources

3 independent publishers whose own reporting we read for this story.

  1. afp.com

    1 article · October 10, 2026

    Indonesia releases eight orangutans rescued from fires to protected forest | AFP.com
  2. bbc.co.uk

    3 articles · October 11, 2026

    Orangutans released back into Borneo forest after devastating fires
  3. gulfnews.com

    1 article · October 10, 2026

    Eight Orangutans Rescued from Indonesia Fires Find New Home in Protected Forest
  4. phys.org

    1 article · October 11, 2026

    Indonesia releases eight orangutans rescued from fires to protected forest
  5. scmp.com

    1 article · October 11, 2026

    Indonesia finds orangutans saved from wildfires a new home
  6. straitstimes.com

    1 article · October 10, 2026

    Indonesia releases rescued orangutans to protected forest

Topics and entities

Topics

  • Southeast Asia wildfires and haze
  • El Nino
  • Orangutan conservation

Entities