![]() Ongoing work from the non-profit organisation Revive and Restore is creating a hybrid between the extinct passenger pigeon and its closest living relative, the band-tailed pigeon. The most promising de-extinction candidate is the passenger pigeon. However, it lived for only seven minutes before succumbing to a lung defect, making it the sole species in history to go extinct twice. In 2003, cloning projects brought back the Pyrenean ibex, making it the first and only animal to successfully make it through the de-extinction process past birth. In fact, scientists have already brought back an animal from being extinct - but the success was short-lived. Target species include the Aurochs, the ox-like animal depicted in the Lascaux cave paintings. Scientists have been trying to recover a range of extinct species after rapid advancements in cloning and stem-cell technologies. Scientists hope that establishing populations of animals like the Tasmanian tiger and woolly mammoth can help rebuild biodiversity.Ĭolossal is not the only organisation attempting to bring species back from extinction. If the conversion works, the stem cells can then be made into an embryo, which can either be grown in a lab or transferred to a surrogate dunnart mother. The scientists will work with stem cells taken from the closest related living species, the fat-tailed dunnart, which they plan to convert to those of a Tasmanian tiger by using gene-editing technologies. The Tasmanian tiger project is funded by a $5 million gift from philanthropists, who had been impressed by the scientists’ success in sequencing the genome of a museum specimen. The marsupial went extinct in the 1930s and was native to the island of Tasmania, where it had lived for around 2 million years. ![]() Mammoths aren’t the only de-extinction target of Colossal - they recently teamed up with scientists in Australia for the plan to bring back the Tasmanian tiger, also known as the thylacine. In 2021, the Texas-based biotechnology company Colossal announced their plans to use genetic engineering to recreate the animal and return it to the Arctic tundra, its original natural habitat. NEW YORK: You might have heard of the project to bring the woolly mammoth back from extinction.
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