LC
Crow-billed Drongo Dicrurus annectens



Taxonomy

Taxonomic note
Dicrurus annectens (del Hoyo and Collar 2016) was previously listed as Dicrurus annectans.

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
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 full migrant Forest dependency Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2,760,000
Extent of Occurrence non-breeding (km2) 9,070,000
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 Unknown not applicable -
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 - - -

Population justification: The global population size has not been quantified, but the species is described as locally common to locally frequent throughout the Indian Subcontinent (Grimmett et al. 1998)


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Bangladesh N Extant
Bhutan N Extant
Cambodia N Extant
China (mainland) N Extant
India N Extant
Indonesia N Extant
Laos N Extant Yes
Malaysia N Extant
Myanmar N Extant
Nepal N Extant
Singapore N Extant
Thailand N Extant
Vietnam N Extant

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Laos Xe Kong Plains
Laos Upper Xe Kaman
Laos Eastern Bolikhamxay Mountains
Cambodia Phnom Bokor
Laos Nakai-Nam Theun
Nepal Chitwan National Park
Nepal Mai Valley forests
Vietnam Ke Go
Vietnam Kon Ka Kinh
Vietnam Phong Dien
Vietnam Vu Quang
Vietnam Chu Prong
Vietnam Kon Cha Rang
Vietnam Sinh Long
Vietnam Ban Thi - Xuan Lac
Vietnam Dakrong
Vietnam Tam Dao
Vietnam Ea So
Vietnam Cuc Phuong
Vietnam Khe Net
Vietnam Phong Nha
Vietnam Ke Bang
Vietnam Truong Son
Vietnam Pu Mat
Vietnam Ngoc Linh
Vietnam Yok Don
Vietnam Ya Lop
Vietnam Cat Loc
Vietnam Lo Go - Xa Mat

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable breeding
Artificial/Terrestrial Arable Land suitable non-breeding
Artificial/Terrestrial Plantations suitable breeding
Artificial/Terrestrial Plantations suitable non-breeding
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable breeding
Artificial/Terrestrial Subtropical/Tropical Heavily Degraded Former Forest suitable non-breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Forest Subtropical/Tropical Moist Lowland major breeding
Forest Subtropical/Tropical Moist Lowland major non-breeding
Savanna Dry suitable breeding
Savanna Dry suitable non-breeding
Shrubland Subtropical/Tropical Dry suitable breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Altitude   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 (2021) Species factsheet: Dicrurus annectens. Downloaded from http://www.birdlife.org on 22/01/2021. Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 22/01/2021.