EX
Greater Amakihi Viridonia sagittirostris



Taxonomy

Taxonomic note

Viridonia sagittirostris (del Hoyo and Collar 2016) was previously placed in the genus Hemignathus following AOU (1998 & supplements); Brooks (2000); Sibley & Monroe (1990, 1993).

Taxonomic source(s)
Brooks, T. 2000. Extinct species. In: BirdLife International (ed.), Threatened Birds of the World, pp. 701-708. Lynx Edicions and BirdLife International, Barcelona and Cambridge, U.K.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
D D D1

Red List history
Year Category Criteria
2024 Extinct
2016 Extinct
2012 Extinct
2008 Extinct
2004 Extinct
2000 Extinct
1994 Extinct
1988 Extinct
Species attributes

Migratory status not a migrant Forest dependency high
Land-mass type Average mass -
Range

Estimate Data quality
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 0 mature individuals good estimated -
Population trend - - -
Generation length 2.93 years - - -

Population justification: None remain.

Trend justification: This species was discovered in 1892 (Greenway 1967), and last recorded in 1901 (Stattersfield et al. 1998).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
USA extinct native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 152 - 1220 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Scale Unknown/Unrecorded Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Rapid Declines Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2024) Species factsheet: Greater Amakihi Viridonia sagittirostris. Downloaded from https://datazone.birdlife.org/species/factsheet/greater-amakihi-viridonia-sagittirostris on 23/11/2024.
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 23/11/2024.