LC
Grey-faced Tit-babbler Mixornis kelleyi



Taxonomy

Taxonomic note
Mixornis kelleyi (del Hoyo and Collar 2016) was previously listed as Macronous kelleyi.

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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.

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

Red List history
Year Category Criteria
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 Near Threatened
Species attributes

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

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 288,000
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) 3.9 - - -

Population justification: The global population size has not been quantified, but the species is described as common to very common (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
Cambodia N Extant Yes
Laos N Extant Yes
Vietnam N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Cambodia Snoul / Keo Sema / O Reang
Laos Dong Ampham
Laos Dong Kalo
Laos Phou Xiang Thong
Laos Siphandon
Laos Upper Xe Kaman
Laos Xe Khampho / Xe Pian
Laos Xe Kong Plains
Vietnam Bach Ma
Vietnam Cat Loc
Vietnam Ke Go
Vietnam Khe Net
Vietnam Kon Cha Rang
Vietnam Kon Ka Kinh
Vietnam Lo Go - Xa Mat
Vietnam Nam Cat Tien
Vietnam Phong Dien
Vietnam Vu Quang
Vietnam Yok Don

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Altitude 50 - 1165 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2017) Species factsheet: Mixornis kelleyi. Downloaded from http://www.birdlife.org on 25/11/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/11/2017.