Greater koa finch below. It had a thick black bill which allowed it to break open seed pods that were found in the trees. In historical times, its range was largely confined to the Kona District of the island of Hawaii, although it was observed in the Kīlauea area in 1895. It was much more widespread prior to the arrival of humans in Hawaii, and related species lived on other islands. In Kona, it co-occurred with the closely related lesser koa finch ("Rhodocanthis flaviceps"), and the Kona grosbeak. The lesser and greater koa finches were once thought by scientists to be the minimum
Koa people was made by the Koa. Koa people The Koa are an indigenous Australian people of the state of Queensland. Tasaku Tsunoda and Gavan Breen have speculated that the ethnonym "Koa" may derive from a word *"guwa" meaning 'west'. Walter Roth thought that the Koa language had affinities with that of the Maiawali, forming a linguistic bridge between it and the languages spoken by the Wanamara and Maithakari. Like many other peoples of the area, they had an extensive sign language, indicating a largew number of meanings by gestures. In Norman Tindale's estimation, the Koa's tribal territory ranged over about .