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 ==See also==