EX
Laysan Honeycreeper Himatione fraithii



Taxonomy

Taxonomic note

Himatione sanguinea and H. fraithii (del Hoyo and Collar 2016) were previously lumped as H. sanguinea following AOU (1998 & supplements); Sibley & Monroe (1990, 1993).

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.

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 Not Recognised
2008 Not Recognised
2004 Not Recognised
2000 Not Recognised
1994 Not Recognised
1988 Not Recognised
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 2.66 years - - -

Population justification: None remain.

Trend justification: First observed in 1891, Rothschild (1893-1900) described the species as much the rarest of the birds of Laysan. Subsequently the situation deteriorated, and the last 3 known Laysan Honeycreeper individuals died in 1923 (Olson 1996).


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
Forest Subtropical/Tropical Moist Montane major resident
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Storms & flooding Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Very Rapid Declines Past Impact
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Oryctolagus cuniculus Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Rapid Declines Past Impact
Stresses
Ecosystem degradation

Recommended citation
BirdLife International (2024) Species factsheet: Laysan Honeycreeper Himatione fraithii. Downloaded from https://datazone.birdlife.org/species/factsheet/laysan-honeycreeper-himatione-fraithii on 26/12/2024.
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 26/12/2024.