Colossal Biosciences has announced a new project to bring back the South Island giant moa, a flightless bird native to New Zealand that went extinct approximately 600 years ago. Backed by $15 million from filmmaker Peter Jackson, and in partnership with the Ngāi Tahu Research Centre and Canterbury Museum, the company aims to bioengineer the bird by editing moa DNA into close relatives such as emus or tinamous and hatching them within the next 5–10 years
🧬 5 Key Highlights
- Indigenous-led scientific restoration
The partnership places Ngāi Tahu at the project’s helm, intertwining mātauranga Māori with advanced genetic techniques to guide both cultural and ecological considerations - Cutting-edge genome engineering
Researchers plan to extract ancient moa DNA from fossils, reconstruct full genomes, and apply CRISPR gene editing into surrogate bird species, followed by embryo hatching in controlled reserves - Ecological purpose behind de-extinction
Once revived, moa are expected to resume roles as major seed dispersers and forest grazers, potentially aiding ecosystem restoration in New Zealand’s woodlands - Timeline and scale
Colossal aims to produce bird-like hatchlings within 5–10 years, with birds reaching up to 12 feet and weighing around 230 kg, akin to historical moa records - Controversy from experts
Ecologists like Philip Seddon warn that “extinction is forever,” representing moa revival as genetic projection, not true de-extinction. Stuart Pimm cautions about ecological safety and feasibility in modern habitats
🌍 Broader Significance
- Cultural reclamation: Reviving moa intertwines scientific achievement with Māori heritage, reviving ancestral narratives
- Next-gen conservation tech: Builds on Colossal’s earlier work with dire wolves, signalling expansion of gene-editing for biodiversity enhancement
- Ethical and ecological questions: Critics highlight diversion of resources from protecting endangered species and stress the need for habitat viability and risk safeguards
- Innovation vs. risk frontier: The moa project tests global appetite for powerful de-extinction technologies in real-world environments.
🔭 What to Watch Next
- DNA sequencing progress: Success in reconstructing a full moa genome will mark a major milestone.
- Surrogate breeding tests: Embryo development in emus or tinamous is pivotal for feasibility.
- Regulatory & cultural engagement: Approval processes in New Zealand and broader iwi consultation will shape project direction.
- Conservation outcomes: Will revival inspire ecosystem restoration or become a symbolic but impractical venture?
✅ Bottom Line
Colossal Biosciences’ attempt to revive the giant Moa blends genome science, indigenous stewardship, and ecological vision. With ambitious goals, solid backing, and cultural significance, it marks a defining moment in de-extinction science. Yet persistent ethical, ecological, and scientific questions remain.


