Oʻahu nukupuʻu bill to pluck insects found underneath tree bark, the Oahu nukupuu fed on insects on flowering trees such as the koa ("Acacia koa") and ohia ("Metrosideros polymorpha"). These trees attract a large amount of insects due to their nectar-filled flowers. The Oahu nukupuu fed on koa in high elevation forests and fed on ohia in low elevations. The species was believed to have vanished as the spread of disease occurred, killing off nukupuu populations across the islands. In order to control the rat population in the sugar cane fields, mongooses were introduced to Hawaii and were suspected to be predators
Association Island boy's summer camp on the island for several years until abandoning it after 1967. A non-profit group ran sailing and wind boarding competitions on the island in the 1970s. The US sailing team was based there while preparing for the 1976 Montreal Olympics, which held sailing competitions at Kingston, Ontario, about to the north. The island became a privately owned RV park and resort in 1999. The RV park operates as "Association Island KOA 1000 Islands" with address 15530 Snowshoe Rd. Henderson, NY 13650. It is an independently owned KOA franchise. Kurt Vonnegut based some of the material in his