Genetic evidence suggests that the reptiles somehow managed millions of years ago to make an ocean crossing from North America to Fiji. Genetic evidence suggests that the reptiles somehow managed millions of years ago to make an ocean crossing from North America to Fiji. Iguanas, Fiji, Oceans and Seas, Genetics and Heredity, North America, Research, Proceedings of the National Academy of Sciences, Far East, South and Southeast Asia and Pacific Areas, your-feed-science NYT > Science