• 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
2023	Near Threatened	A2cd+3cd+4cd
2016	Near Threatened	A2cd+3cd+4cd
2012	Near Threatened	A2cd+3cd+4cd
2008	Near Threatened	A2c,d; A3c,d; A4c,d
2004	Near Threatened
2000	Lower Risk/Near Threatened
1994	Lower Risk/Near Threatened
1988	Lower Risk/Least Concern

Migratory status	not a migrant	Forest dependency	does not normally occur in forest
Land-mass type	continent	Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	3,870,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	poor	inferred	2017-2027
Rate of change over the past 10 years/3 generations (longer of the two periods)	21-26%	-	-	-
Rate of change over the future 10 years/3 generations (longer of the two periods)	21-26%	-	-	-
Rate of change over the past & future 10 years/3 generations (longer of the two periods)	21-26%	-	-	-
Generation length	2.35 years	-	-	-
Number of subpopulations	2-100	-	-	-
Percentage of mature individuals in largest subpopulation	1-89%	-	-	-

Population justification: The global population size or density have not been quantified, but this species is described as rare or uncommon and patchily distributed (Stotz et al. 1996, Diniz and Santos 2020).

Trend justification: Although precise data on the population trend are lacking, declines are feared to be occurring owing to habitat loss and trapping for the wild bird trade. The species has become locally extinct in parts of its range in Brazil (Diniz and Santos 2020).
Rates of decline are difficult to quantify due to the species' occurrence in a variety of forest and semi-open savanna, as well as in 'cerrado' and grassland habitat or even disturbed sites. Tree cover within the range has been lost at a rate of up to 16% over the past ten years (Global Forest Watch 2023, using Hansen et al. [2013] data and methods disclosed therein). The impact of trapping has not been quantified, but a study in Piauí in northeastern Brazil reported this species to be a major target for trappers (Souto et al. 2017). Under the tentative assumption that the rate of tree cover loss (16% over ten years) may be a proxy for the overall rate of habitat loss, and that trapping contributes an additional 5-10% decline, the overall rate of population decline is here suspected at 21-26% over ten years.

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Argentina	possibly extant	native	yes
Bolivia	extant	native	yes
Brazil	extant	native	yes

Country/Territory	IBA Name
Bolivia	Noel Kempff Mercado
Brazil	Cerrados do Nordeste de Tocantins
Brazil	Interflúvio dos Rios Tocantins e Paranã
Brazil	Jalapão
Brazil	Lizarda
Brazil	Monumento Natural das Árvores Fossilizadas e Adjacências
Brazil	Nascentes do Rio Parnaíba
Brazil	Parque Nacional da Chapada dos Guimarães e Adjacências
Brazil	Vale do Rio Palmeiras

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Savanna	Dry	major	resident
Shrubland	Subtropical/Tropical Dry	suitable	resident
Altitude	0 - 1200 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%)		Rapid 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		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture	Wood & pulp plantations - Agro-industry plantations	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Rapid 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		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Species mortality

Purpose	Scale
Pets/display animals, horticulture	subsistence, national

---

Recommended citation
BirdLife International (2024) Species factsheet: Coalcrest Charitospiza eucosma. Downloaded from https://datazone.birdlife.org/species/factsheet/coalcrest-charitospiza-eucosma 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.