Primitive koa finch viscosa") berries, as these were observed being eaten by other species in the genus. The primitive koa finch is believed to have gone extinct some time after Polynesians first arrived in Hawaii, however very little else is known about this species. Due to its early extinction it is only known from fossil remains. Other Hawaiian honeycreepers are known to have become extinct or very rare due to habitat loss, introduced predators and avian diseases. It is possible the extinction of the primitive koa finch also involved these factors. BirdLife International 2004. Himatione sanguinea. 2006 IUCN Red List of Threatened Species.
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