LC
Fork-tailed Drongo Dicrurus adsimilis



Taxonomy

Taxonomic note
Dicrurus adsimilis and D. modestus (del Hoyo and Collar 2016) were previously lumped as D. adsimilis following Dowsett & Forbes-Watson (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 Low
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 25,900,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals 0
Population trend Stable 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 - - -

Population justification: The global population size has not been quantified, but it is believed to be large as the species is described as common in at least parts of its range (Hall and Moreau 1970, Roberts 1993, Zimmerman et al. 1996, Borrow and Demey 2001, Stevenson and Fanshawe 2002). The subspecies modestus (previously recognised as a separate species), was considered Near Threatened, although its population size is unknown numbers are assumed to be small.

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
Benin N Extant Yes
Botswana N Extant Yes
Burkina Faso N Extant Yes
Burundi N Extant Yes
Cameroon N Extant Yes
Central African Republic N Extant Yes
Chad N Extant Yes
Congo N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Côte d'Ivoire N Extant Yes
Djibouti N Extant Yes
Equatorial Guinea N Extant Yes
Eritrea N Extant Yes
Ethiopia N Extant Yes
Gabon N Extant Yes
Gambia N Extant Yes
Ghana N Extant Yes
Guinea N Extant Yes
Guinea-Bissau N Extant Yes
Kenya N Extant Yes
Lesotho N Extant Yes
Malawi N Extant Yes
Mali N Extant Yes
Mauritania N Extant Yes
Mozambique N Extant Yes
Namibia N Extant Yes
Niger N Extant Yes
Nigeria N Extant Yes
Rwanda N Extant Yes
Senegal N Extant Yes
Somalia N Extant Yes
South Africa N Extant Yes
South Sudan N Extant Yes
Sudan N Extant
Swaziland N Extant Yes
Tanzania N Extant Yes
Togo N Extant Yes
Uganda N Extant Yes
Yemen U Extant Yes
Zambia N Extant Yes
Zimbabwe N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable resident
Artificial/Terrestrial Plantations suitable resident
Forest Subtropical/Tropical Dry suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Grassland Subtropical/Tropical Dry suitable resident
Savanna Dry major resident
Altitude 0 - 2200 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2018) Species factsheet: Dicrurus adsimilis. Downloaded from http://www.birdlife.org on 14/12/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 14/12/2018.