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 | not a migrant | Forest dependency | medium |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 3,280,000 | |
| Extent of Occurrence non-breeding (km2) | 3,550,000 | |
| 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 | - | - | - |
Population justification: The population size is unknown, but the species is described as fairly common to common or uncommon (del Hoyo et al. 2006).
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 | yes | |||
| Bhutan | extant | native | yes | |||
| China (mainland) | extant | native | yes | |||
| India | extant | native | yes | |||
| Laos | extant | native | yes | |||
| Myanmar | extant | native | yes | |||
| Nepal | extant | native | yes | |||
| Thailand | extant | native | yes | |||
| Vietnam | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Laos | Eastern Bolikhamxay Mountains |
| Laos | Nakai-Nam Theun |
| Laos | Phou Ahyon |
| Laos | Phou Loeuy |
| Nepal | Annapurna Conservation Area |
| Nepal | Bardia National Park |
| Nepal | Kanchenjungha Conservation Area |
| Nepal | Khaptad National Park |
| Nepal | Langtang National Park |
| Nepal | Mai Valley forests |
| Nepal | Makalu Barun National Park |
| Nepal | Phulchoki Mountain forests |
| Nepal | Shivapuri-Nagarjun National Park |
| Nepal | Tamur valley and watershed |
| Thailand | Doi Chiang Dao |
| Thailand | Doi Inthanon |
| Thailand | Doi Suthep-Pui |
| Thailand | Mae Fang |
| Thailand | Mae Jarim National Park |
| Thailand | Umphang |
| Vietnam | Ban Thi - Xuan Lac |
| Vietnam | Du Gia |
| Vietnam | Fan Si Pan |
| Vietnam | Kon Ka Kinh |
| Vietnam | Kon Plong |
| Vietnam | Ngoc Linh |
| Vietnam | Pu Mat |
| Vietnam | Sinh Long |
| Vietnam | Tay Con Linh |
| Vietnam | Van Ban |
| Vietnam | Vu Quang |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | suitable | resident |
| Forest | Subtropical/Tropical Moist Montane | suitable | resident |
| Grassland | Subtropical/Tropical Dry | suitable | resident |
| Shrubland | Subtropical/Tropical High Altitude | suitable | resident |
| Shrubland | Subtropical/Tropical Moist | suitable | resident |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | resident |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2023) Species factsheet: Niltava macgrigoriae. Downloaded from
http://datazone.birdlife.org/species/factsheet/small-niltava-niltava-macgrigoriae on 09/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 09/06/2023.
