Snare traps decline, but still pose a threat to Leuser’s Sumatran rhinos

Snare traps decline, but still pose a threat to Leuser’s Sumatran rhinos



BANDA ACEH, Indonesia — For the rhinos of Sumatra’s Leuser Ecosystem, snare traps set by are a key factor that threatens to drive them closer to extinction.

The Leuser Ecosystem is one of the last refuges of the critically endangered Sumatran rhinoceros (Dicerorhinus sumatrensis). Fewer than 80 of the animals are believed to remain in the wild, isolated from one another in rapidly dwindling patches of rainforest in Indonesia’s Sumatra Island, with a handful thought to remain in Indonesian Borneo.

Snare traps can be lethal to Indonesia’s nearly extinct animals, like the Sumatran rhino. Image by Junaidi Hanafiah/Mongabay Indonesia.
Snare traps can be lethal to Indonesia’s nearly extinct animals, like the Sumatran rhino. Image by Junaidi Hanafiah/Mongabay Indonesia.

Leuser is home to one of the largest numbers of the species, split up across four habitats, which makes the area the most promising site for conservation. But wire snares set by illegal hunters to catch anything ranging from wild boars for bushmeat to trophy animals — including the native elephants and tigers — continue to pose an imminent threat to the rhinos.

“Elephants that are huge can be severely injured or even killed [by the traps], so imagine what will happen to the rhinos that are much smaller,” Rudi Putra, a biologist and chairman of the Leuser Conservation Forum’s (FKL) board of trustees, said in a recent webinar.

Recent studies have shown that snaring by hunters is a much more potent danger to the survival of Southeast Asia’s threatened wildlife compared to and forest degradation.

Snares are typically made of steel or nylon wire and are easy to build. They are also indiscriminate in what they catch, resulting in the capture of non-target species, as well as females and juvenile animals. While most of the trapped animals end up in local wildlife markets or are sold directly to restaurants as bushmeat, the high-value species are typically traded in major cities or exported to foreign markets.

Cracking down on the trade in body parts is very difficult, as smugglers operate closely and with great prudence, said Dwi N. Adhiasto, specialist at the organization Wildlife Crimes Unit (WCU). He said there were at least two syndicates in Indonesia known to poach rhinos and traffic their body parts to China and Vietnam, where they’re used in traditional medicine.

Dwi called in Indonesian conservation authorities and experts to clamp down on the entire supply chain, from the on the ground to the buyers all around the world.

“The must know the exact locations where the wildlife still remain that they want to capture, including rhinos,” Dwi said.

Rudi said there’s been a significant decline in snares recovered within Leuser in recent years, thanks to increased patrols by rangers and volunteers. The FKL removed or destroyed 1,069 snares from Leuser in 2016, and 241 in 2019. The traps were found throughout the ecosystem, from its core protected zone out to the logging areas on its periphery.

The Indonesian government has recently also pledged to enforce full protection of all habitats. A Sumatran rhino population that still records natural births in the wild, like the Leuser rhinos do, is crucial for the survival of the species. Many rhino experts say natural breeding can only happen when the animals feel safe enough to mate.

“We focus on deploying patrol teams all over the Leuser Ecosystem to protect the rhinos and other wildlife from poachers,” Rudi said. “But as long as snares are still set up in the forest, the rhinos will always be in danger.”

Sumatra’s Leuser Ecosystem covers 2.6 million hectares (6.4 million acres), an area the size of Sicily. It boasts 10,000 plant species and 200 mammal species — that are known — dozens of which are found nowhere else on Earth. Of the 6,000 orangutans left in Sumatra, 90% live in Leuser. Image by Rhett A. Butler/Mongabay.
Sumatra’s Leuser Ecosystem covers 2.6 million hectares (6.4 million acres), an area the size of Sicily. It boasts 10,000 plant species and 200 mammal species — that are known — dozens of which are found nowhere else on Earth. Of the 6,000 left in Sumatra, 90% live in Leuser. Image by Rhett A. Butler/Mongabay.

This article by Junaidi Hanafiah was translated by Basten Gokkonon and first published on on 13 November 2020. |


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