Euphorbia haeleeleana Euphorbia haeleeleana Euphorbia haeleeleana, the Kauai spurge, is a species of flowering plant in the croton family, Euphorbiaceae, that is endemic to the islands of Kauai and Oahu in Hawaii. Like other Hawaiian spurges it is known as `akoko. It inhabits dry, coastal mesic, and mixed mesic forests from . Associated plants include ōhia lehua ("Metrosideros polymorpha"), koa ("Acacia koa"), lama ("Diospyros sandwicensis"), kukui ("Aleurites moluccanus"), aalii ("Dodonaea viscosa"), wiliwili ("Erythrina sandwicensis"), hala pepe ("Pleomele" spp.), ohe kukuluāeo ("Reynoldsia sandwicensis"), and āulu ("Sapindus oahuensis"). Kauai Spurge is a small tree, reaching a height of . It is threatened by habitat
Scissor-billed koa finch Kanaloa" ("Kanaloa kahoolawensis") and "koaia" ("Acacia koaia") were probably important food sources, and it may have eaten caterpillars and "aalii" ("Dodonaea viscosa") berries. Due to its early extinction, very little is known about this species. 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 scissor-billed koa finch also involved these factors. Scissor-billed koa finch The scissor-billed koa finch, ("Rhodacanthis forfex") or scissor finch is an extinct species of Hawaiian honeycreeper. Of the four species