Data Zone
Taxonomic note
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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 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 (km2) | 3,000,000 | |
| Extent of Occurrence non-breeding (km2) | 2,960,000 | |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | unknown | not applicable | not applicable | 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) | 3.9 | - | - | - |
Population justification: The global population size has not been quantified, but the species is described as not uncommon (Harris and Franklin 2000).
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 | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| 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 | breeding |
| Grassland | Subtropical/Tropical Dry | suitable | non-breeding |
| Grassland | Subtropical/Tropical High Altitude | suitable | non-breeding |
| Grassland | Subtropical/Tropical High Altitude | suitable | breeding |
| Shrubland | Subtropical/Tropical High Altitude | suitable | breeding |
| Shrubland | Subtropical/Tropical High Altitude | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | breeding |
| Altitude | 2200 - 4500 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2023) Species factsheet: Lanius tephronotus. Downloaded from
http://datazone.birdlife.org/species/factsheet/grey-backed-shrike-lanius-tephronotus on 04/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 04/06/2023.
