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
Hale Koa Hotel hotel opened on October 25, 1975, with a traditional Hawaiian ceremony. A major expansion came in 1991. The hotel added a new pool, a beverage bar, and a luau garden. Later, the Maile tower was built across the lobby from the Ilima tower, bringing the total number of rooms to 818. Also constructed was an adults-only pool, a fitness center, a parking garage, and Bibas, a new café located on a porch underneath the Maile tower. There are several dining facilities on the hotel's beachfront property: Because Hale Koa Hotel is an AFRC resort, it is not open to the