Jonathan B. Losos has long studied island-dwelling species. Elected to the National Academy of Sciences in 2018, Losos, an evolutionary ecologist at Washington University, has focused on Anolis lizards since high school. In his Inaugural Article (1), Losos, who is also the director of the Living Earth Collaborative, expands his robust body of work on island anoles, considered examples of a process of evolutionary diversification known as adaptive radiation. With an international team from the United States, Colombia, and France, he has uncovered the dynamics of a mainland invasion. Millions of...