A Dallas-based company claims to have resurrected the dire wolf, an extinct species made famous by “Game of Thrones,” using advanced genetic technologies.
A Dallas-based biotechnology company, Colossal Biosciences, has announced that it has successfully brought back the dire wolf, a species that last roamed the Earth over 12,500 years ago. The dire wolf gained popularity through the hit HBO series “Game of Thrones,” where it is depicted as a larger and more intelligent version of the common wolf, fiercely loyal to the Stark family.
Colossal Biosciences asserts that it has created three dire wolves through genome-editing and cloning techniques, marking what it claims to be the world’s first successful “de-extinction” of an animal. However, some experts question the validity of this claim, suggesting that the company has merely genetically modified existing gray wolves rather than truly resurrecting the extinct species.
According to Colossal, dire wolves inhabited the American midcontinent during the Ice Age, with the oldest confirmed fossil dating back approximately 250,000 years, discovered in the Black Hills of South Dakota. The three new wolves include two adolescent males named Romulus and Remus, and a female puppy called Khaleesi.
The scientists at Colossal utilized blood cells from a living gray wolf and employed CRISPR technology—short for “clustered regularly interspaced short palindromic repeats”—to make genetic modifications at 20 different sites. These alterations were designed to replicate traits believed to have helped dire wolves survive in cold climates, such as larger body size and longer, lighter-colored fur. Of the 20 edits made, 15 correspond to genes found in actual dire wolves.
The ancient DNA used for the project was extracted from two dire wolf fossils: a tooth from Sheridan Pit, Ohio, estimated to be around 13,000 years old, and an inner ear bone from American Falls, Idaho, which dates back approximately 72,000 years. The modified genetic material was then transferred into an egg cell from a domestic dog. Afterward, the embryos were implanted into surrogate domestic dogs, leading to the birth of the genetically engineered pups 62 days later.
Ben Lamm, CEO of Colossal Biosciences, described the achievement as a significant milestone in the company’s efforts to demonstrate the effectiveness of its de-extinction technology. “It was once said, ‘any sufficiently advanced technology is indistinguishable from magic,’” Lamm stated. “Today, our team gets to unveil some of the magic they are working on and its broader impact on conservation.”
Colossal has previously announced similar projects aimed at genetically altering cells from living species to create animals resembling other extinct species, including woolly mammoths and dodos. In conjunction with the announcement of the dire wolves, the company also revealed the birth of two litters of cloned red wolves, which are critically endangered. This development, according to Colossal, demonstrates the potential of their de-extinction technology to aid in conservation efforts.
In late March, Colossal’s team met with officials from the U.S. Department of the Interior to discuss their projects. Interior Secretary Doug Burgum praised the work on social media, calling it a “thrilling new era of scientific wonder.” However, some scientists remain skeptical about the feasibility of restoring extinct species.
Corey Bradshaw, a professor of global ecology at Flinders University in Australia, expressed doubts regarding Colossal’s claims. “So yes, they have slightly genetically modified wolves, maybe, and that’s probably the best that you’re going to get,” Bradshaw remarked. “And those slight modifications seem to have been derived from retrieved dire wolf material. Does that make it a dire wolf? No. Does it make a slightly modified gray wolf? Yes. And that’s probably about it.”
Colossal Biosciences reports that the newly created wolves are thriving in a 2,000-acre ecological preserve in Texas, which is certified by the American Humane Society and registered with the USDA. Looking ahead, the company aims to restore the species in secure ecological preserves, potentially on indigenous lands.
As the debate continues regarding the ethical implications and scientific validity of de-extinction efforts, the work of Colossal Biosciences represents a bold step into the future of genetic engineering and conservation.
According to Fox News, the implications of such advancements could reshape our understanding of extinct species and their potential return to the ecosystem.