Data Zone
Taxonomic note
Acrocephalus arundinaceus and A. orientalis (del Hoyo and Collar 2016) were previously lumped as A. arundinaceus following AERC TAC (2003), Cramp et al. (1977-1994), Dowsett & Forbes-Watson (1993) and Sibley & Monroe (1990, 1993).
Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: http://www.aerc.eu/DOCS/Bird_taxa_of_the_WP15.xls.
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
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 |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Not Recognised | |
| 2008 | Not Recognised | |
| 2004 | Not Recognised | |
| 2000 | Not Recognised | |
| 1994 | Not Recognised | |
| 1988 | Not Recognised |
| Migratory status | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | 30 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 8,170,000 km2 | |
| Extent of Occurrence (non-breeding) | 11,800,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | decreasing | - | suspected | - |
| Generation length | 2.59 years | - | - | - |
Population justification: The population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 2006).
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 2006).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Bangladesh | extant | native | yes | |||
| Brunei | extant | native | yes | |||
| Cambodia | extant | native | yes | |||
| China (mainland) | extant | native | yes | yes | yes | |
| India | extant | native | yes | |||
| Indonesia | extant | native | yes | |||
| Japan | extant | native | yes | |||
| Laos | extant | native | yes | |||
| Malaysia | extant | native | yes | |||
| Mongolia | extant | native | yes | |||
| Myanmar | extant | native | yes | |||
| Nepal | extant | vagrant | ||||
| North Korea | extant | native | yes | |||
| Papua New Guinea | extant | vagrant | yes | |||
| Philippines | extant | native | yes | yes | ||
| Russia | extant | native | yes | |||
| Russia (Asian) | extant | native | yes | |||
| South Korea | extant | native | yes | |||
| Thailand | extant | native | yes | |||
| Timor-Leste | extant | native | yes | yes | ||
| Vietnam | extant | native | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | non-breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | non-breeding |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | non-breeding |
| Savanna | Dry | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Dry | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | non-breeding |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | non-breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | breeding |
| Wetlands (inland) | Permanent Saline, Brackish or Alkaline Marshes/Pools | suitable | non-breeding |
| Wetlands (inland) | Permanent Saline, Brackish or Alkaline Marshes/Pools | suitable | breeding |
| Altitude | 0 - 1000 m | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | subsistence, national |
| Sport hunting/specimen collecting | subsistence, national |
Recommended citation
BirdLife International (2024) Species factsheet: Oriental Reed-warbler Acrocephalus orientalis. Downloaded from
https://datazone.birdlife.org/species/factsheet/oriental-reed-warbler-acrocephalus-orientalis on 22/11/2024.
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 22/11/2024.