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

Taxonomic note

Treron pompadora, T. affinis, T. chloropterus, T. phayrei, T. axillaris and T. aromaticus (del Hoyo and Collar 2014) were previously lumped as T. pompadora following Sibley and Monroe (1990, 1993).

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
2023	Near Threatened	B1b(ii,iii)
2016	Near Threatened	C2a(ii)
2014	Near Threatened	C2a(ii)
2012	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Not Recognised

Migratory status	not a migrant	Forest dependency	high
Land-mass type		Average mass	234 g

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	9,100 km2
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	10000-19999 mature individuals	poor	suspected	2022
Population trend	decreasing	-	suspected	2014-2027
Rate of change over the past 10 years/3 generations (longer of the two periods)	5-15%	-	-	-
Rate of change over the future 10 years/3 generations (longer of the two periods)	5-15%	-	-	-
Rate of change over the past & future 10 years/3 generations (longer of the two periods)	5-15%	-	-	-
Generation length	4.4 years	-	-	-
Number of subpopulations	1	-	-	-
Percentage of mature individuals in largest subpopulation	100%	-	-	-

Population justification: The population size of this species has not been estimated. In their appraisal of lowland species on Buru, Marsden et al. (1997) did not discuss it, but Eaton et al. (2021) describe it as scarce. It reportedly goes unobserved even in areas where it is known to regularly occur (C. Robson in litt. 2016, 2020) and some recent visits have failed to observe the species entirely (e.g. Reeve et al. 2014). In its range, approximately 3,500 km² of forest remains (Global Forest Watch 2023) and speculatively (and somewhat precautionarily), the population is suspected to number 10,000-19,999 mature individuals, although this requires confirmation.

Trend justification: The principal threats to this species are habitat loss and degradation and (locally) hunting. In the three generations (13.2 years; Bird et al. 2020) to 2022, lowland forest cover on Buru declined by c.5-6% (Global Forest Watch 2023, based on data from Hansen et al. [2013] and methods disclosed therein). This species is tolerant of edge habitat and degraded forest (Eaton et al. 2021) and therefore may not be declining directly in line with forest cover loss. Alternatively, rates of population decline may be slightly faster than forest cover loss alone, on the basis that the species may require a network of feeding sites that vary spatially and temporally. Moreover, any declines caused by habitat loss are likely to be compounded by hunting, although Buru has only a small human population (c.200,000 people) such that this impact is likely to be only local. Overall the species is suspected of declining at a rate of 5-15% over three generations, with no indication this will halt in the future.

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Indonesia	extant	native	yes

Country/Territory	IBA Name

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Lowland	major	resident
Altitude	0 - 300 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Agriculture & aquaculture	Annual & perennial non-timber crops - Shifting agriculture	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation
Agriculture & aquaculture	Annual & perennial non-timber crops - Small-holder farming	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation, Ecosystem conversion
Biological resource use	Hunting & trapping terrestrial animals - Intentional use (species is the target)	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Species mortality

Purpose	Scale
Food - human	subsistence

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Recommended citation
BirdLife International (2024) Species factsheet: Buru Green-pigeon Treron aromaticus. Downloaded from https://datazone.birdlife.org/species/factsheet/buru-green-pigeon-treron-aromaticus on 25/11/2024.
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 25/11/2024.