LC
Grey-headed Oliveback Delacourella capistrata



Taxonomy

Taxonomic note
Previously (Handbook of the Birds of the World and BirdLife International 2022) placed in Nesocharis but moved to current genus following Olsson and Alström (2020). Monotypic.

Taxonomic source(s)
Handbook of the Birds of the World and BirdLife International. 2023. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 8. Available at: https://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v8_Dec23.zip.

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

Red List history
Year Category Criteria
2024 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/Least Concern
1988 Lower Risk/Least Concern
Species attributes

Migratory status not a migrant Forest dependency low
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 3,650,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size unknown - - -
Population trend stable - suspected -
Generation length 2.17 years - - -

Population justification: The global population size has not been quantified, but the species is reported to be nowhere common (Fry and Keith 2004). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

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 Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Benin extant native yes
Burkina Faso extant native yes
Cameroon extant native yes
Central African Republic extant native yes
Congo, The Democratic Republic of the extant native yes
Côte d'Ivoire extant native yes
Gambia extant vagrant yes
Ghana extant native yes
Guinea extant native yes
Guinea-Bissau extant native yes
Mali extant native yes
Nigeria extant native yes
Sierra Leone extant native yes
South Sudan extant native yes
Sudan extant native yes
Togo extant native yes
Uganda extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Benin Ouémé river basin
Burkina Faso Bérégadougou hill
Cameroon Bénoué National Park
Cameroon Ngaoundaba Ranch
Central African Republic Bamingui-Bangoran National Park complex
Central African Republic Bozoum
Central African Republic Manovo - Gounda - St Floris National Park complex
Congo, The Democratic Republic of the Garamba National Park
Côte d'Ivoire Comoe National Park
Côte d'Ivoire Sangbe Mountain National Park
Ghana Mole National Park
Guinea Mafou
Guinea-Bissau Cantanhez forests
Guinea-Bissau Dulombi
Guinea-Bissau Rio Mansôa and Gêba estuary
Mali Bafing
Nigeria Amurum woodlands (Taboru)
Nigeria Falgore and Lame Burra Game Reserves
Nigeria Gashaka-Gumti National Park
Nigeria Kagoro - Nindam Forest Reserves and vicinity
Nigeria Kainji Lake National Park
Nigeria Kamuku National Park
Nigeria Yankari Game Reserve
Uganda Ajai Wildlife Reserve
Uganda Budongo Forest Reserve
Uganda Mount Kei Forest Reserve
Uganda Murchison Falls National Park

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Savanna Dry suitable resident
Shrubland Subtropical/Tropical Moist suitable resident
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Altitude   Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Grey-headed Oliveback Delacourella capistrata. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-headed-oliveback-delacourella-capistrata on 23/12/2024.
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 23/12/2024.