Data Zone
Taxonomic note
Locustella thoracica and L. kashmirensis (del Hoyo and Collar 2016) were previously lumped as Bradypterus thoracicus following Round and Loskot (1995).
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 |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Least Concern |
| Migratory status | full migrant | Forest dependency | Low |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 398,000 | |
| Extent of Occurrence non-breeding (km2) | 284,000 | |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | 0 | |||
| Population trend | Stable | suspected | - | |
| 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 | - | - | - | |
| Percentage in largest subpopulation | - | - | - | |
| Generation length (yrs) | 3.5 | - | - | - |
Population justification: The global population size has not been quantified.
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Bangladesh | N | Extant | Yes | |||
| Bhutan | N | Extant | Yes | Yes | ||
| China (mainland) | N | Extant | Yes | Yes | ||
| India | N | Extant | Yes | Yes | ||
| Myanmar | N | Extant | Yes | |||
| Nepal | N | Extant | Yes | Yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Temperate | suitable | breeding |
| Forest | Temperate | suitable | non-breeding |
| Grassland | Temperate | suitable | breeding |
| Grassland | Temperate | suitable | non-breeding |
| Shrubland | Temperate | major | breeding |
| Shrubland | Temperate | major | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | non-breeding |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2022) Species factsheet: Locustella thoracica. Downloaded from
http://www.birdlife.org on 14/08/2022.
Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 14/08/2022.
