Genomic evidence from ancient Rapanui people from Easter Island shows that they had around 10% ancestry related to Andean people before Europeans arrived, evidence either that Native Americans lived on the island before Polynesians arrived in the 12-13th century or that Polynesians made it to mainland South America and then backtracked to the island.

https://www.nature.com/articles/s41586-024-07881-4

#Rapanui #Polynesians #PreColumbianAmerica #EasterIsland #AncientGenomes #AncientDNA #Admixture