Two Extinct Marsupials Rediscovered After 6,000 Years: A Remarkable Find

Exciting news from New Guinea! Two marsupial species, believed extinct for over 6,000 years, have been rediscovered.
The Ring-tailed Gliders and Pygmy Longfinger Possums, previously known only from fossils in Australia, were recently observed on the Vogelkop Peninsula in Papua, Indonesia, thanks to the support of local indigenous communities.

Renowned researcher Tim Flannery and his team at the Australian Museum in Sydney undertook years of investigative work, including analyzing peculiar sightings and misidentified specimens, to confirm that these remarkable animals had returned to life.

With photographic evidence and active collaboration with local communities, researchers have verified these animals’ existence. However, their habitat is under threat from logging activities. The specific ecological requirements and range of these rediscovered species are still largely unknown, complicating conservation efforts.

Scott Hucknull, a professor at Central Queensland University, remarked that this discovery is “more significant than finding a live quoll in Tasmania.”

One notable species, the Wow Glider (Thus ayamalensis), is closely related to Australian gliders in the genus Petaurodes. However, distinct features like its prehensile tail and furless ears have warranted its classification into a separate genus.

Local indigenous communities often regard gliders as sacred and protected animals, potentially contributing to their previous obscurity in scientific literature.

“This is one of the most photogenic animals and beautiful marsupials I’ve ever encountered,” Flannery stated.

The Pygmy Longfinger Possum (Dactylonax Kambuyai) is a striking striped creature characterized by an unusually long finger on each hand, which aids its survival.

As Flannery explains, “They possess unique ear adaptations that may help them detect the low-frequency sounds of larvae within wood, allowing them to extract food from decaying trees.”

The exact location of this species remains confidential to protect it from potential wildlife traders.

Flannery cautions against capturing these animals. “They are challenging to maintain in captivity due to their specialized diet—potential pet owners should be forewarned: they don’t last long in confined environments.”

Fossils trace back to approximately 3 to 4 million years ago have been uncovered in archaeological sites in Victoria and New South Wales, Australia, but significant gaps exist in the fossil record, leaving much about the genus a mystery.

Hucknull notes, “The smallest fossil species are undifferentiated from their modern counterparts. The Dactylonax Kambuyai has now been confirmed alive in West Papua.”

“Pocket-sized, peculiar, and adorable,” says Hucknull, emphasizing the ecological significance of this unique species.

Researcher David Lindenmayer from the Australian National University in Canberra commented on the significance of these discoveries while expressing concern over deforestation and habitat destruction in New Guinea. “It provokes questions about what has been lost in Australia due to similar land clearing practices.”

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