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

Taxonomic note
Nystactes noanamae (del Hoyo and Collar 2014) was previously placed in the genus Bucco.

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.
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
2021	Near Threatened	C2a(i)
2016	Near Threatened	B1ab(i,ii,iii,v)
2012	Near Threatened	B1ab(i,ii,iii,v)
2008	Near Threatened	B1a+b(i,ii,iii,v)
2004	Near Threatened
2000	Lower Risk/Near Threatened
1994	Lower Risk/Near Threatened
1988	Near Threatened

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

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	42,500 km2	medium
Area of Occupancy (breeding/resident)	19,400 km2
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	8000 mature individuals	poor	inferred	2014
Population trend	decreasing	-	suspected	2016-2026
Rate of change over the past 10 years/3 generations (longer of the two periods)	1-9%	-	-	-
Rate of change over the future 10 years/3 generations (longer of the two periods)	1-9%	-	-	-
Rate of change over the past & future 10 years/3 generations (longer of the two periods)	1-9%	-	-	-
Generation length	3.6 years	-	-	-
Number of subpopulations	10	-	-	-
Percentage of mature individuals in largest subpopulation	1-89%	-	-	-

Population justification: The species is described as 'rare' (Stotz et al. 1996). Based on the population density of Bucco macrodactylus (2 individuals/km²) and an area of suitable habitat of c. 6,000 km², the population is inferred to number c.12,000 individuals (Renjifo et al. 2014), which roughly equates to 8,000 mature individuals.

The subpopulation structure has not been formally assessed. Based on the spatial spread of observational records within the range (eBird 2021) and the species's resident nature (Rasmussen et al. 2020), it is conceivable that the species forms at least ten subpopulations. It is tentatively suspected that no subpopulation numbers more than 1,000 mature individuals.

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction. Forest within the range has been lost at a rate of <5% over three generations (Renjifo et al. 2014; Global Forest Watch 2021) and habitat is largely degraded (P. Salaman in litt. 2020). Population declines are here tentatively placed in the band 1-9% over three generations (10.8 years).

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

Country/Territory	IBA Name
Colombia	Parque Nacional Natural Ensenada de Utría
Colombia	Parque Nacional Natural Los Katíos

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Plantations	marginal	resident
Artificial/Terrestrial	Subtropical/Tropical Heavily Degraded Former Forest	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	major	resident
Shrubland	Subtropical/Tropical Moist	suitable	resident
Altitude	0 - 100 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%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation, Ecosystem conversion
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
Agriculture & aquaculture	Livestock farming & ranching - Small-holder grazing, ranching or farming	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation, Ecosystem conversion
Biological resource use	Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest]	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation
Transportation & service corridors	Roads & railroads	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Species disturbance, Ecosystem degradation

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Recommended citation
BirdLife International (2024) Species factsheet: Sooty-capped Puffbird Nystactes noanamae. Downloaded from https://datazone.birdlife.org/species/factsheet/sooty-capped-puffbird-nystactes-noanamae on 23/11/2024.
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 23/11/2024.