LC
Rusty-crowned Babbler Sterrhoptilus capitalis



Taxonomy

Taxonomic note

Sterrhoptilus capitalis (del Hoyo and Collar 2016) was previously listed as Stachyris capitalis.

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.

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

Red List history
Year Category Criteria
2018 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/Near Threatened
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency high
Land-mass type Average mass 15 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 158,000 km2
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend decreasing - suspected -
Generation length 3.7 years - - -

Population justification: The global population size has not been quantified, but the species is described as generally uncommon (del Hoyo et al. 2007).

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.


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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Philippines Basilan Natural Biotic Area
Philippines Bislig
Philippines Lake Lanao
Philippines Mount Agtuuganon and Mount Pasian
Philippines Mount Apo
Philippines Mount Busa-Kiamba
Philippines Mount Hilong-hilong
Philippines Mount Kaluayan - Mount Kinabalian Complex
Philippines Mount Kambinlio and Mount Redondo
Philippines Mount Kampalili-Puting Bato
Philippines Mount Latian complex
Philippines Mount Malindang
Philippines Mount Matutum
Philippines Munai / Tambo

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 0 - 1100 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Rusty-crowned Babbler Sterrhoptilus capitalis. Downloaded from https://datazone.birdlife.org/species/factsheet/rusty-crowned-babbler-sterrhoptilus-capitalis on 22/11/2024.
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 22/11/2024.