Are these resurrected dire wolves or just highly edited grey wolves?
In short: In spring 2025, Colossal Biosciences announced a breakthrough: the de-extinction of the dire wolf. But beneath the headlines lies a fierce debate over scientific terminology, the limits of genetic engineering, and whether we are truly reviving the past or merely rewriting the present.
The announcement by Colossal Biosciences, led by Chief Science Officer Beth Shapiro, sparked intense scrutiny within the scientific community. While the company's press releases referred to the animals as 'dire wolves,' critics like Richard Grenyer from the University of Oxford have highlighted a significant inconsistency between the company's publicity and the biological reality. The animals in question—named Romulus, Remus, and Khaleesi—are actually grey wolves that have undergone 20 specific gene edits using CRISPR technology and ancient DNA fragments.
The controversy hinges on how we define a species. Shapiro has defended the company's nomenclature by invoking the 'morphological species concept,' suggesting that if the animals possess the outward appearance of the extinct predator, they can be called such. However, this is contested by experts like Claudio Sillermo, who notes that evidence suggests true dire wolves may have had reddish coats rather than the white coats seen in these edited wolves. This tension illustrates the gap between 'colloquial' naming and strict taxonomic classification.
Beyond the semantics, the work carries profound ethical and conservation implications. There is a fear that the promise of de-extinction could undermine support for protecting currently endangered species, creating a false sense of security that extinction is reversible. While Shapiro emphasizes that these genomic tools are already vital for modern conservation and medicine, the debate continues over whether Colossal's work represents true de-extinction or a transformative new form of genetic engineering.
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Sources
- Summary by Intellect · source: Interview: De-Extinction, Dire Wolves, and Jurassic Park with Beth Shapiro | Particles of Thought
- Also: Colossal scientist now admits they haven’t really made dire wolves | New Scientist
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