The greater akialoa group was a set of three species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

s growing up to long. Its

bill Bill(s) may refer to: Common meanings * Banknote, paper cash (especially in the United States) * Bill (law), a proposed law put before a legislature * Invoice, commercial document issued by a seller to a buyer * Bill, a bird or animal's beak Plac ...

took up to a third of the body length. The group had three species, confined to the Hawaiian Islands of Lanai,

Oahu Oahu () ( Hawaiian: ''Oʻahu'' ()), also known as "The Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over two-thirds of the population of the U.S. state of Hawaii. The island of O� ...

and Kauai respectively. It did not include the much smaller

Lesser ʻakialoa The lesser ʻakialoa (''Akialoa obscura'') was a species of finch in the family Fringillidae. It was endemic to the island of Hawaii. It became extinct due to habitat loss Habitat destruction (also termed habitat loss and habitat reduction) ...

, which was considered a full species. The Lanai and Oahu forms are extinct, while there is a remote possibility that the Kauai form survives. *

Kauaʻi ʻakialoa The Kauai ʻakialoa (''Akialoa stejnegeri'') was a Hawaiian honeycreeper in the subfamily Carduelinae of the family Fringillidae. It was endemic to the island of Kauai, Hawaii. It became extinct in the 20th century due to introduced avian disea ...

(''Hemignathus stejnegeri'') (Wilson, 1889) *

Maui Nui ʻakialoa The Maui Nui 'akialoa or Lana'i 'akialoa (''Akialoa lanaiensis'') was a Hawaiian honeycreeper of the subfamily Carduelinae and the family Fringillidae. It was endemic to the island of Lanai, Hawaii in modern times, but seems to have occurred on ...

(''Hemignathus lanaiensis'') * Oahu ʻakialoa (''Hemignathus ellisiana'')

References

Greater akialoa Extinct birds of Hawaii Endemic fauna of Hawaii Bird extinctions since 1500 {{Fringillidae-stub