• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2024	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

Migratory status	full migrant	Forest dependency	medium
Land-mass type		Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	8,510,000 km2
Extent of Occurrence (non-breeding)	6,770,000 km2
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	-
Generation length	4.62 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be uncommon to very rare (del Hoyo et al. 1997), while national population estimates include: < c.10,000 breeding pairs and < c.50 individuals on migration in China; c.100-100,000 breeding pairs in Taiwan and c.100-100,000 breeding pairs in Japan (Brazil 2009). This species is considered to have a medium dependency on forest habitat, and tree cover is estimated to have declined by 10.6% within its mapped range over the past three generations (Global Forest Watch 2022, using Hansen et al. [2013] data and methods disclosed therein). Therefore, as a precautionary measure, it is tentatively suspected that this loss of cover may have led to a decline of between 1-19% in the species' population size over the same time frame.

Trend justification:   .

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
China (mainland)	extant	native		yes
Japan	extant	native		yes
Laos	extant	native		yes
Russia	extant	native		yes
Russia (Asian)	extant	native		yes
South Korea	extant	native		yes
Taiwan, China	extant	native		yes
Thailand	extant	native		yes
Vietnam	extant	native		yes

Country/Territory	IBA Name

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Temperate	major	non-breeding
Forest	Temperate	major	breeding
Shrubland	Temperate	suitable	non-breeding
Shrubland	Temperate	suitable	breeding
Altitude	0 - 3120 m	Occasional altitudinal limits

Purpose	Scale
Pets/display animals, horticulture	international

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Recommended citation
BirdLife International (2024) Species factsheet: White-bellied Green-pigeon Treron sieboldii. Downloaded from https://datazone.birdlife.org/species/factsheet/white-bellied-green-pigeon-treron-sieboldii on 22/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/12/2024.