The rules

Each species is evaluated against six criteria: science, ecology, evolutionary pathway, global relevance, long-term potential and inspiration.

Scientific plausibility

Grounded in credible science and real-world possibilities.

Ecological impact

Addresses important ecological roles and planetary challenges.

Evolutionary pathways

Clear, believable steps from today to tomorrow.

Global relevance

Benefits life on Earth at large, not just one species.

Long-term potential

Stable, adaptable and resilient for tens of thousands of years.

Inspiration & hope

Inspires connection, stewardship and a better future.