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Dire Wolf De-Extinction Breeds Both Hope and Uncertainty

Follow the progress of Romulus, Remus, and Khaleesi, three wolves that have become the stars of Colossal Biosciences' dire wolf de-extinction project.

ByJack Knudson
Romulus and Remus (Images Courtesy of Colossal Biosciences)

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The pursuit of de-extinction has broken new ground yet again, as three young wolves are carrying on the legacy of the dire wolf species that disappeared from Earth around 12,500 years ago. Dallas-based Colossal Biosciences, the company leading the de-extinction charge, recently declared that the dire wolf has returned for good.

The three wolves brought to life by the company — Romulus, Remus, and Khaleesi — emulate many unmistakable dire wolf characteristics, seen in their size, skull shape, and stunning white coats. This breakthrough was made possible with technology that allowed scientists to alter gray wolf genes so they would mirror extinct dire wolf genes; while serving as a stepping stone for future de-extinction endeavors, the dire wolf project may also pave the way for the future of conservation.

Romulus and Remus and puppies on the Iron Throne (Images Courtesy of Colossal Biosciences)

Colossal Biosciences

The dire wolf (Aenocyon dirus) ...

  • Jack Knudson

    Jack Knudson is an assistant editor at Discover with a strong interest in environmental science and history. Before joining Discover in 2023, he studied journalism at the Scripps College of Communication at Ohio University and previously interned at Recycling Today magazine.

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