Taxonomic source(s)
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.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
D | D | D1+2 |
Year | Category | Criteria |
---|---|---|
2019 | Critically Endangered | D |
2018 | Critically Endangered | D |
2016 | Critically Endangered | D |
2013 | Critically Endangered | D |
2012 | Critically Endangered | D |
2009 | Critically Endangered | D1 |
2008 | Critically Endangered | |
2004 | Critically Endangered | |
2000 | Critically Endangered | |
1996 | Critically Endangered | |
1994 | Critically Endangered | |
1988 | Threatened |
Migratory status | not a migrant | Forest dependency | high |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Number of locations | 0-1 | - |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | 0-49 mature individuals | poor | suspected | 2018 |
Population trend | unknown | - | - | - |
Generation length | 4.5 years | - | - | - |
Number of subpopulations | 1 | - | - | - |
Percentage of mature individuals in largest subpopulation | 100% | - | - | - |
Population justification: Any remaining population is assumed to be tiny (numbering fewer than 50 individuals and mature individuals), with no confirmed records since 1980.
Trend justification: The population trend is unknown as the last confirmed sighting of this species took place in 1980.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
USA | possibly extinct | native | yes |
Country/Territory | IBA Name |
---|---|
USA | Molokai Forests |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Forest | Subtropical/Tropical Moist Lowland | major | resident |
Forest | Subtropical/Tropical Moist Montane | major | resident |
Altitude | 1000 - 0 m | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Axis axis | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Whole (>90%) | Very Rapid Declines | Past Impact | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Plasmodium relictum | Timing | Scope | Severity | Impact | ||||
Ongoing | Whole (>90%) | Negligible declines | Medium Impact: 6 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Sus domesticus | Timing | Scope | Severity | Impact | ||||
Ongoing | Whole (>90%) | Very Rapid Declines | High Impact: 9 | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Olomao Myadestes lanaiensis. Downloaded from
https://datazone.birdlife.org/species/factsheet/olomao-myadestes-lanaiensis on 24/12/2024.
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 24/12/2024.