LC
Chestnut-cheeked Starling Agropsar philippensis



Taxonomy

Taxonomic note

Agropsar philippensis (del Hoyo and Collar 2016) was previously listed as Sturnus philippensis.

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
2018 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/Near Threatened
1988 Lower Risk/Least Concern
Species attributes

Migratory status full migrant Forest dependency Low
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 902,000 medium
Extent of Occurrence non-breeding (km2) 1,910,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Unknown not applicable -
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 - - -
Largest subpopulations - - -
Generation length (yrs) 4.4 - - -

Population justification: The global population size has not been quantified, but the species is generally described as uncommon in the Philippines, rare on the Chinese mainland, common on Taiwan and scarce on the Kurile islands and Sakhalin (Feare and Craig 1998). National population estimates include: c.50-1,000 individuals on migration and < c.50 wintering individuals in Taiwan; c.100-100,000 breeding pairs and c.50-10,000 individuals on migration in Japan and c.100-10,000 breeding pairs and c.50-1,000 individuals on migration in Russia (Brazil 2009).

Trend justification: The population trend is difficult to determine because of uncertainty over the impacts of habitat modification on population sizes.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Brunei N Extant
China (mainland) N Extant Yes
Hong Kong (China) V Extant
Indonesia N Extant Yes
Japan N Extant Yes
Malaysia N Extant
North Korea V Extant
Palau V Extant
Philippines N Extant Yes
Russia N Extant Yes
Russia (Asian) N Extant Yes
Singapore N Extant
South Korea V Extant Yes
Taiwan, China N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Arable Land suitable breeding
Artificial/Terrestrial Plantations suitable breeding
Artificial/Terrestrial Urban Areas suitable non-breeding
Artificial/Terrestrial Urban Areas suitable breeding
Forest Temperate suitable breeding
Altitude 0 - 1500 m Occasional altitudinal limits  

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - Non-trivial Recent

Recommended citation
BirdLife International (2019) Species factsheet: Agropsar philippensis. Downloaded from http://www.birdlife.org on 12/12/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 12/12/2019.