LC
Grey-hooded Babbler Cyanoderma bicolor



Taxonomy

Taxonomic note
Cyanoderma erythropterum and C. bicolor (del Hoyo and Collar 2016) were previously lumped as Stachyris erythroptera following Sibley & Monroe (1990, 1993).

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
2016 Least Concern
Species attributes

Migratory status not a migrant Forest dependency High
Land mass type Average mass 13 g
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,060,000
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 0
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 3.7 - - -

Population justification: The global population size has not been quantified, but the species is described as common in lowland forest (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 Occurrence status Presence Resident Breeding Non-breeding Passage
Brunei N Extant Yes
Indonesia N Extant Yes
Malaysia N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Malaysia Bako-Buntal Bay
Malaysia Crocker Range
Malaysia Danum Valley Conservation Area
Malaysia Mulu - Buda Protected Area
Malaysia Kabili-Sepilok
Malaysia Mount Kinabalu
Malaysia Klias peninsula
Malaysia Kinabatangan floodplain
Malaysia Maliau Basin Conservation Area
Malaysia Tabin Wildlife Reserve
Malaysia Tawau Hills Park
Malaysia Tanjung Datu-Samunsam Protected Area
Malaysia Gunung Pueh
Malaysia Bau Limestone
Malaysia Sadong-Saribas coast
Malaysia Lanjak Entimau Wildlife Sanctuary
Malaysia Hose-Laga mountains
Malaysia Similajau National Park
Malaysia Niah National Park
Malaysia Lambir Hills National Park

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable resident
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Forest Subtropical/Tropical Swamp suitable resident
Shrubland Subtropical/Tropical High Altitude suitable resident
Altitude 0 - 1220 m Occasional altitudinal limits  

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - International Non-trivial Recent

Recommended citation
BirdLife International (2020) Species factsheet: Cyanoderma bicolor. Downloaded from http://www.birdlife.org on 02/12/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 02/12/2020.