VU
Yellow Bunting Emberiza sulphurata



Taxonomy

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.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - C2a(ii)

Red List history
Year Category Criteria
2016 Vulnerable C2a(ii)
2012 Vulnerable C2a(ii)
2008 Vulnerable C1; C2a(ii)
2007 Vulnerable
2004 Vulnerable
2000 Vulnerable
1996 Vulnerable
1994 Vulnerable
1988 Threatened
Species attributes

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

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 232,000 medium
Extent of Occurrence non-breeding (km2) 1,640,000 medium
Number of locations 11-100 -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals 2500-9999 poor estimated 2000
Population trend Decreasing poor 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) 10-19 - - -
Decline (10 years/3 generation past and future) 10-19 - - -
Number of subpopulations 1 - - -
Largest subpopulations 100 - - -
Generation length (yrs) 3.6 - - -

Population justification: The global population is roughly estimated to be in the band c.2,500-9,999 mature individuals (BirdLife International 2001). This equates to 3,750-14,999 individuals in total, rounded here to 3,500-15,000 individuals. National population estimates include: < c.1,000 individuals on migration and < c.1,000 wintering individuals in China; c.50-1,000 individuals on migration and < c.50 wintering individuals in Taiwan and < c.100,000 breeding pairs and < c.1,000 individuals on migration in Japan (Brazil 2009).

Trend justification: A moderate and on-going population decline is suspected to be occurring, as the species has become scarcer on its breeding grounds in Japan. Declines are likely to be occurring owing to habitat degradation and loss through agricultural intensification, as well as trapping for the cage-bird trade.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
China (mainland) N Extant Yes
Hong Kong (China) N Extant Yes
Japan N Extant Yes
North Korea N Extant Yes
Philippines N Extant Yes
South Korea N Extant Yes
Taiwan, China N Extant Yes Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
China (mainland) Taohongling Sika Deer Nature Reserve
Hong Kong (China) Inner Deep Bay and Shenzhen River catchment area
Philippines Batanes Islands
Philippines Kalbario-Patapat National Park
Philippines Mount Pulag National Park
Philippines Mount Sicapo-o
Philippines Babuyanes Islands
Philippines Batanes Islands Protected Landscape and Seascape
Taiwan, China Dapingding and Hsutsuo Harbor
Japan Mount Fuji
Japan Mounts Asama, Shirane and Tanigawa
Japan Mounts Azuma and Bandai
Japan Mounts Zao and Funagata
Japan Myoko, Togakushi highlands

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Pastureland suitable non-breeding
Forest Temperate major non-breeding
Forest Temperate major breeding
Shrubland Temperate suitable non-breeding
Altitude 600 - 1500 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops - Agro-industry farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Annual & perennial non-timber crops - Small-holder farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching - Small-holder grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Hunting & trapping terrestrial animals - Intentional use (species is the target) Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Species mortality
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Unknown Unknown
Stresses
Indirect ecosystem effects, Ecosystem degradation
Pollution Agricultural & forestry effluents - Herbicides and pesticides Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Declines Medium Impact: 6
Stresses
Ecosystem degradation, Reduced reproductive success, Species mortality

Recommended citation
BirdLife International (2020) Species factsheet: Emberiza sulphurata. Downloaded from http://www.birdlife.org on 27/05/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 27/05/2020.