LC
Rainbow-bearded Thornbill Chalcostigma herrani



Taxonomy

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.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2024 Least Concern
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency low
Land-mass type Average mass 6 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 130,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 2.43 years - - -

Population justification: The global population size has not been quantified, but this species is described as 'uncommon' (Stotz et al. 1996). The population is suspected to be in decline.

Trend justification: the population is suspected to be in decline.


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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Colombia Alto Quindío
Colombia Bosques del Oriente de Risaralda
Colombia Cuenca del Río Toche
Colombia Puracé Natural National Park
Colombia Reserva Hidrográfica, Forestal y Parque Ecológico de Río Blanco
Colombia Reserva Natural Ibanasca
Colombia Reservas Comunitarias de Roncesvalles
Ecuador Cajas-Mazán
Ecuador El Ángel - Cerro Golondrinas and surrounding areas
Ecuador Estación Biológica Guandera-Cerro Mongus
Ecuador Mindo and western foothills of Volcan Pichincha
Ecuador Montañas de Zapote-Najda
Ecuador Parque Nacional Cayambe-Coca
Ecuador Parque Nacional Llanganates
Ecuador Parque Nacional Podocarpus
Ecuador Parque Nacional Sangay
Peru Cerro Chinguela
Peru La Cocha

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Montane suitable resident
Grassland Subtropical/Tropical High Altitude suitable resident
Rocky areas (eg. inland cliffs, mountain peaks) major resident
Shrubland Subtropical/Tropical High Altitude major resident
Altitude 2700 - 4000 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Rainbow-bearded Thornbill Chalcostigma herrani. Downloaded from https://datazone.birdlife.org/species/factsheet/rainbow-bearded-thornbill-chalcostigma-herrani on 23/12/2024.
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 23/12/2024.