Data Zone
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 |
|---|---|---|
| 2024 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Least Concern | |
| 2009 | Least Concern | |
| 2008 | Least Concern | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | full migrant | Forest dependency | low |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 3,000,000 km2 | |
| Extent of Occurrence (non-breeding) | 2,960,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 2.95 years | - | - | - |
Population justification: The global population size has not been quantified, but the species is described as not uncommon (Harris and Franklin 2000). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Bangladesh | extant | native | ||||
| Bhutan | extant | native | ||||
| Cambodia | extant | native | ||||
| China (mainland) | extant | native | ||||
| India | extant | native | ||||
| Laos | extant | native | ||||
| Myanmar | extant | native | ||||
| Nepal | extant | native | ||||
| Pakistan | extant | uncertain | ||||
| Thailand | extant | native | ||||
| Vietnam | extant | native |
| Country/Territory | IBA Name |
|---|---|
| Nepal | Annapurna Conservation Area |
| Nepal | Dhorpatan Hunting Reserve |
| Nepal | Kanchenjungha Conservation Area |
| Nepal | Langtang National Park |
| Nepal | Makalu Barun National Park |
| Nepal | Rara National Park |
| Nepal | Sagarmatha National Park |
| Nepal | Shey-Phoksundo National Park |
| Nepal | Tamur valley and watershed |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | non-breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | non-breeding |
| Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | breeding |
| Forest | Subtropical/Tropical Moist Lowland | suitable | breeding |
| Forest | Subtropical/Tropical Moist Montane | suitable | breeding |
| Grassland | Subtropical/Tropical Dry | suitable | non-breeding |
| Grassland | Subtropical/Tropical Dry | suitable | breeding |
| Grassland | Subtropical/Tropical High Altitude | suitable | non-breeding |
| Grassland | Subtropical/Tropical High Altitude | suitable | breeding |
| Shrubland | Subtropical/Tropical High Altitude | suitable | non-breeding |
| Shrubland | Subtropical/Tropical High Altitude | suitable | breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | breeding |
| Altitude | 0 - 4500 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Grey-backed Shrike Lanius tephronotus. Downloaded from
https://datazone.birdlife.org/species/factsheet/grey-backed-shrike-lanius-tephronotus 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.