Easter Islanders' strict separation between clans, creating independent sub-groups, may have preserved cultural diversity despite small population size.
Article Title: Population structure drives cultural diversity in finite populations: A hypothesis for localized community patterns on Rapa Nui (Easter Island, Chile)
Funding: Parts of this research were supported by National Science Foundation award #1841420 to RJD and TLH. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. There was no additional external funding received for this study.
Competing Interests: The authors have declared that no competing interests exist.