LC
Sulphur-bellied Warbler Phylloscopus griseolus



Taxonomy

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.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
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
Species attributes

Migratory status full migrant Forest dependency Low
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 5,130,000
Extent of Occurrence non-breeding (km2) 1,450,000
Number of locations -
Severely Fragmented -
Population and trend
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) 3.6 - - -

Population justification: The global population size has not been quantified, but the species is reported to be quite scarce (Baker 1997).

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Afghanistan N Extant Yes
China (mainland) N Extant Yes
India N Extant Yes Yes
Kazakhstan N Extant Yes
Kyrgyzstan N Extant Yes
Mongolia N Extant Yes
Nepal N Extant Yes
Pakistan N Extant Yes
Russia N Extant Yes
Russia (Asian) N Extant Yes
Russia (Central Asian) N Extant Yes
Tajikistan N Extant Yes
Turkmenistan N Extant Yes
Uzbekistan N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Afghanistan Salang Kotal
Afghanistan Pech and Waygal valleys
Kazakhstan Aksu-Dzhabagly State Nature Reserve
Kazakhstan Big Almaty Gorge
Afghanistan Bande Amir
Uzbekistan Bashkyzylsay Unit of the Chatkal Mountains Biosphere Reserve
Uzbekistan Angren Plateau
Uzbekistan Dzhum-Dzhum
Uzbekistan Amankutan (Takhtakaracha Pass)
Kazakhstan Assy Plateau
Turkmenistan Koytendag
Tajikistan Bulunkul and Yashilkul lakes and mountains
Tajikistan Dzhavshangoz
Tajikistan Kondara Gorge
Tajikistan Iskanderkul lake and mountains
Tajikistan Drumkul Lake
Kazakhstan Almaty State Nature Reserve
Tajikistan Aktash massif
Tajikistan Kulikalon Lakes
Tajikistan Dashtidjum
Tajikistan Kattasay and Daganasay Reservoirs
Uzbekistan Central section of the Kurama Mountain Range
Uzbekistan Tereklisay section of the Chatkal Mountains Biosphere Reserve
Uzbekistan Pulatkhan Gorge
Uzbekistan Oygaing River Valley
Kazakhstan Paradise Valley mountain plateau
Uzbekistan Gissar State Nature Reserve
Russia (Central Asian) Shapshal ridge
Kyrgyzstan Eastern Alai
Kyrgyzstan Gorge Tash-Rabat
Kyrgyzstan Lake Chatyr-Kul
Kyrgyzstan Western Alai, Kok-Suu river
Nepal Annapurna Conservation Area

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland suitable non-breeding
Rocky areas (eg. inland cliffs, mountain peaks) major breeding
Shrubland Temperate suitable breeding
Altitude 2590 - 4575 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2022) Species factsheet: Phylloscopus griseolus. Downloaded from http://www.birdlife.org on 06/12/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 06/12/2022.