The Tasmanian tiger, also known as the thylacine, once populated much of Tasmanian and mainland Australia—where it is also still searched for—but few know that the animal was present on New Guinea as well. Its prehistoric presence there first came to light in 1960 when archeologists discovered the lower jaw of a Tasmanian tiger.
"Further confirmed fossil remains, dating at over 2 million years old, have subsequently been found on New Guinea; and also in later years, unconfirmed sightings of thylacine-like beasts have been reported from both Papua New Guinea (PNG) and Irian Jaya (the western, Indonesian half of New Guinea)," Shuker told mongabay.com.
A specimen of the Tasmanian tiger in the Natural History Museum at Oslo, Norway. Photo by: L. Shyamal.
While Tasmanian tigers are believed to have died out in New Guinea at the end of the Pleistocene, Shuker believes there's a chance a population still survives on the mountainous island, which contains some of the world's least-explored terrestrial habitats.
"New Guinea, especially Irian Jaya, is far less well-explored than either Tasmania or mainland Australia, as confirmed for instance by recent expeditions to Irian Jaya's Foja Mountains, where several new and potentially new species were discovered, including a giant rat, a tiny wallaby, and a new honeyeater," Shuker says. "Consequently, there is a much greater chance of zoological novelties turning up here than elsewhere within the thylacine's former distribution range, and one such novelty may be the thylacine itself."
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