From the passenger pigeon to the woolly mammoth, a variety of techniques could potentially resurrect extinct species, whether completely extinct or merely extirpated from the wild.
This article was originally published on Sept. 9, 2022.New advances using gene-editing tools likeor targeted breeding are rapidly leading researchers to think about bringing back certain species — the passenger pigeon, Tasmanian tiger and woolly mammoth, for example — from extinction. But these projects are controversial for a number of reasons.
In other cases, biologists are working with species that were merely extirpated from specific locales — you see, the concept of extinction isn’t always as clear-cut as it may seem. Did Below, explore a few examples of the species that researchers have attempted to bring back from extinction.The Pyrenean ibex is possibly the only extinct animal that has successfully been brought back to life — though it only lasted for a few minutes. The last of the animals died out in 2000, but three years later scientists used its frozen cells to clone a calf. While the clone survived birth, it died a few minutes later2.
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