The 10-year-old female Sumatran elephant was found in Jambo Reuhat village in North Aceh yesterday -- the third of its species to be found dead of suspected poisoning in the same palm plantation since 2015.
"We suspect the death was caused by deliberate poisoning because her liver and spleen turned dark, a classic sign of poison," he added.
A group of veterinarians was deployed to the location after authorities were tipped off by locals.
Officials estimated the animal had been dead for three days when the carcass was discovered.
Sumatran elephants are a critically endangered species. Rampant deforestation to create plantations has reduced their natural habitat and brought them into conflict with humans.
At least 11 wild elephants died in Aceh last year, most of them killed by humans.
Officials found the remains of fruits laced with poison inside the animal during the autopsy.
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