Justification of Red List category
This species was found in the Hawaiian Island of Oahu, USA, but it is now Extinct as a result of forest clearance and introduced disease.
Population justification
No extant population remains.
Trend justification
This species is known from only two specimens collected in 1837 (Olson and James 1995). There were undocumented reports in 1937 and 1940 (Greenway 1967), but little else is known about its extinction.
Akialoa ellisiana was endemic the mountains of O'ahu, Hawaii, USA (Stattersfield et al. 1998).
It likely inhabited all forest up types above 200 m (Gorresen et al. 2009), feeding on insects and nectar (Amante-Helweg et al. 2009).
The species is thought to have been driven to extinction by habitat destruction, disease, and introduced mammals (Collar et al. 1994).
Text account compilers
Vine, J.
Recommended citation
BirdLife International (2024) Species factsheet: Oahu Akialoa Akialoa ellisiana. Downloaded from
https://datazone.birdlife.org/species/factsheet/oahu-akialoa-akialoa-ellisiana on 24/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 24/11/2024.