• 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., 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.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2019	Near Threatened	B1b(iii)+2b(iii); C2a(i)
2016	Endangered	B1ab(iii)
2012	Endangered	B1ab(iii)
2008	Endangered	B1a+b(iii)
2006	Endangered
2004	Endangered
2000	Endangered
1994	Lower Risk/Near Threatened
1988	Lower Risk/Least Concern

Migratory status	not a migrant	Forest dependency	low
Land-mass type	continent	Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	26,000 km2	medium
Area of Occupancy (breeding/resident)	1,792 km2
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	1800-9999 mature individuals	poor	suspected	2019
Population trend	unknown	poor	-	-
Generation length	3.7 years	-	-	-
Number of subpopulations	2-100	-	-	-
Percentage of mature individuals in largest subpopulation	1-89%	-	-	-

Population justification: While the species has a small range, it is not uncommon in suitable habitat. Including the newly-recorded localities, the species's mapped range covers an area of 1,253 km². Based on the recorded population densities of congeners, and assuming that 11-22% of the range is occupied, the species’s population size is estimated to fall within the band 2,800 – 8,400 individuals, roughly equivalent to 1,800 – 5,600 mature individuals. The national Red List of Colombia estimated the population size as 14,690 individuals (roughly equivalent to 9,800 mature individuals; Renjifo et al. 2014). Therefore, the population size is here placed in the band 1,800-9,999 mature individuals.

Trend justification: There is no data on population trends and no quantified information on rates of habitat loss. It is likely that there is a continuing decline in the extent and quality of habitat due to grazing and burning (Renjifo et al. 2014). However, it is unclear whether the population size is undergoing a continuing decline, and it has been suggested that the population might even be stable (P. Pulgarín and O. Cortes in litt. 2012).

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

Country/Territory	IBA Name
Colombia	Bosques Montanos del Sur de Antioquia
Colombia	Munchique Natural National Park and southern extension

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Shrubland	Subtropical/Tropical High Altitude	suitable	resident
Altitude	3000 - 3800 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Agriculture & aquaculture	Annual & perennial non-timber crops - Agro-industry farming	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture	Annual & perennial non-timber crops - Small-holder farming	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture	Livestock farming & ranching - Small-holder grazing, ranching or farming	Timing		Scope		Severity		Impact
		Ongoing		Majority (50-90%)		Negligible declines		Low Impact: 5
		Stresses Ecosystem degradation, Ecosystem conversion
Energy production & mining	Mining & quarrying	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion
Human intrusions & disturbance	War, civil unrest & military exercises	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Unknown		Unknown
		Stresses Species disturbance, Ecosystem degradation
Natural system modifications	Fire & fire suppression - Increase in fire frequency/intensity	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Unknown		Unknown
		Stresses Ecosystem degradation
Residential & commercial development	Housing & urban areas	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion

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Recommended citation
BirdLife International (2024) Species factsheet: Chestnut-bellied Flowerpiercer Diglossa gloriosissima. Downloaded from https://datazone.birdlife.org/species/factsheet/chestnut-bellied-flowerpiercer-diglossa-gloriosissima on 24/12/2024.
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 24/12/2024.