Mountain Cacique (Cacicus chrysonotus) | Details

Mountain Cacique Cacicus chrysonotus

Current view: Data table and detailed info

Taxonomy

Taxonomic note
Cacicus chrysonotus was previously split as C. chrysonotus and C. leucoramphus (del Hoyo and Collar 2016), which prior to that were lumped as C. chrysonotus following SACC (2005 and updates); Sibley and Monroe (1990, 1993). However, plumage and vocal differences are minor, there is evidence of intergradation where they meet in Peru (Hosner et al. 2015) and while a genetic study found that the two taxa represent well-diverged lineages (Powell et al. 2014), representative samples were not from the zone of potential intergradation. In the absence of further evidence, a single-species treatment is adopted for now. Formerly placed in genus Archiplanus. Three subspecies recognised.

Taxonomic source(s)
Handbook of the Birds of the World and BirdLife International. 2023. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 8. Available at: https://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v8_Dec23.zip.

IUCN Red List criteria met and history

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2023	Least Concern
2016	Not Recognised
2012	Least Concern
2009	Least Concern
2008	Least Concern
2006	Least Concern
2004	Not Recognised
2000	Not Recognised
1994	Lower Risk/Least Concern
1988	Lower Risk/Least Concern

Species attributes

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

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	2,550,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	2017-2028
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	3.56 years	-	-	-
Percentage of mature individuals in largest subpopulation	1-89%	-	-	-

Population justification: The global population size has not been quantified. The species is described as fairly common in the southern part of the range, but as scarce and local in Colombia and Venezuela (Fraga 2022).

Trend justification:

The population trend has not been investigated. Tree cover loss within the range is very low (2% over three generations; Global Forest Watch 2023, using Hansen et al. [2013] data and methods disclosed therein). Population declines are therefore likely equally low and localised; they are here tentatively placed in the band 1-9% over ten years.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Bolivia	extant	native	yes
Colombia	extant	native	yes
Ecuador	extant	native	yes
Peru	extant	native	yes
Venezuela	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Altitude	1020 - 3600 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Mountain Cacique Cacicus chrysonotus. Downloaded from https://datazone.birdlife.org/species/factsheet/mountain-cacique-cacicus-chrysonotus on 26/12/2024.
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 26/12/2024.