Akialoa

Akialoa is an extinct genus of Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. The ʻakialoa species are all extinct, but they formerly occurred throughout Hawaii.

Species
The Oʻahu ʻakialoa, Maui Nui ʻakialoa, and Kauaʻi ʻakialoa were previously considered a single species, called the greater ʻakialoa.

There are 7 species in this genus, two of which are undescribed:


 * Oʻahu ʻakialoa, Akialoa ellisiana - extinct, 1837 (confirmed) or 1940 (unconfirmed)
 * Maui Nui ʻakialoa, Akialoa lanaiensis - extinct, 1892
 * Lesser ʻakialoa, Akialoa obscura - extinct, 1940
 * Kauaʻi ʻakialoa, Akialoa stejnegeri - extinct, 1969
 * Hoopoe-billed ʻakialoa, Akialoa upupirostris - extinct, Holocene
 * Akialoa sp., Maui - extinct, Holocene
 * Giant ʻakialoa, Akialoa sp. - extinct, Holocene