EX
Mangareva Reed-warbler Acrocephalus astrolabii



Taxonomy

Taxonomic note
Acrocephalus luscinius, A. hiwae, A. yamashinae, A. astrolabii and A. nijoi (del Hoyo and Collar 2016) were previously lumped as A. luscinius following Sibley and 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
- - -

Red List history
Year Category Criteria
2016 Extinct
Species attributes

Migratory status not a migrant Forest dependency Low
Land mass type Average mass 27.54999924 g
Extent of occurrence (EOO)

Estimate Data quality
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals good 0
Population trend medium -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -

Population justification: None remain.

Trend justification:


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Micronesia, Federated States of N Extinct 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 suitable resident
Shrubland Subtropical/Tropical Moist suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Freshwater Lakes (over 8ha) suitable resident
Wetlands (inland) Permanent Freshwater Marshes/Pools (under 8ha) suitable resident
Altitude 0 - 500 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases - Unspecified species Timing Scope Severity Impact
Past, Unlikely to Return Whole (>90%) Unknown Past Impact
Stresses
Species disturbance, Reduced reproductive success, Species mortality

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - International Non-trivial Recent

Recommended citation
BirdLife International (2019) Species factsheet: Acrocephalus astrolabii. Downloaded from http://www.birdlife.org on 17/08/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/08/2019.