Eclectus parrots (Eclectus roratus) exhibit a form of reversed sexual dichromatism (plumage coloration) not found in other birds. The females are a striking vermilion and blue, whereas the males are shiny green. Here, I summarize the major findings of a 10-year research program conducted on a wild population of eclectus parrots on Cape York Peninsula, Australia, aimed primarily at understanding the ecologic and evolutionary forces behind their unique coloration. Unlike most other parrots,...[Show more]
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