Western Black-headed Oriole (Oriolus brachyrynchus)

Western Black-headed Oriole Oriolus brachyrynchus

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Oriolus brachyrynchus (del Hoyo and Collar 2016) was previously listed as O. brachyrhynchus.

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
2018	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	medium
Land-mass type		Average mass	-

Distribution

	Estimate	Data quality
Extent of Occurrence breeding/resident (km²)	6,280,000	medium
Severely fragmented?	no	-

Population and trend

	Value	Data quality	Derivation	Year of estimate
Number of mature individuals	unknown	not applicable	not applicable	0
Population trend	stable		suspected	-
Generation length (years)	3.7	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be not uncommon to common (Borrow and Demey 2001).

Trend justification:

The species is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Angola	extant	native	yes
Benin	extant	native	yes
Cameroon	extant	native	yes
Central African Republic	extant	native	yes
Congo	extant	native	yes
Congo, The Democratic Republic of the	extant	native	yes
Côte d'Ivoire	extant	native	yes
Equatorial Guinea	extant	native	yes
Gabon	extant	native	yes
Ghana	extant	native	yes
Guinea	extant	native	yes
Guinea-Bissau	extant	native	yes
Kenya	extant	native	yes
Liberia	extant	native	yes
Nigeria	extant	native	yes
Sierra Leone	extant	native	yes
South Sudan	extant	uncertain	yes
Sudan	extant	native	yes
Tanzania	extant	native	yes
Togo	extant	native	yes
Uganda	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Angola	Camabatela
Benin	Lama Forest
Congo, The Democratic Republic of the	Luki Forest Reserve
Congo, The Democratic Republic of the	Ngiri
Congo, The Democratic Republic of the	Salonga National Park
Congo, The Democratic Republic of the	Lomako - Yekokora
Congo, The Democratic Republic of the	Mount Hoyo Reserve
Congo, The Democratic Republic of the	Okapi Faunal Reserve
Congo, The Democratic Republic of the	Virunga National Park
Congo, The Democratic Republic of the	Maiko National Park
Congo, The Democratic Republic of the	Forests west of Lake Edward
Congo, The Democratic Republic of the	Kahuzi-Biega National Park
Congo, The Democratic Republic of the	Itombwe Mountains
Central African Republic	Bangui
Central African Republic	Ngotto
Central African Republic	Dzanga-Ndoki National Park
Congo	Nouabalé-Ndoki National Park complex
Congo	Odzala National Park complex
Congo	Dimonika Biosphere Reserve
Congo	Lower Kouilou basin
Congo	Conkouati National Park
Côte d'Ivoire	Mount Nimba Strict Nature Reserve
Côte d'Ivoire	Gueoule and Glo Mountain Forest Reserves
Côte d'Ivoire	Peko Mountain National Park
Côte d'Ivoire	Marahoue National Park
Côte d'Ivoire	Bossematie Forest Reserve
Côte d'Ivoire	Lamto Ecological Research Station
Côte d'Ivoire	Parc National de Taï et Réserve de faune du N'Zo
Côte d'Ivoire	Mopri Forest Reserve
Côte d'Ivoire	Yapo and Mambo Forest Reserves
Côte d'Ivoire	Azagny National Park
Cameroon	Mbam Djerem National Park
Cameroon	Banyang Mbo Wildlife Sanctuary
Cameroon	Santchou Faunal Reserve
Cameroon	Korup National Park
Cameroon	Mont Manengouba
Cameroon	Bakossi mountains
Cameroon	Mont Nlonako
Cameroon	Mount Rata and Rumpi Hills Forest Reserve
Cameroon	Mount Kupe
Cameroon	Yabassi
Cameroon	Mount Cameroon and Mokoko-Onge
Cameroon	Mbam Minkom - Kala
Cameroon	Dja Faunal Reserve
Cameroon	Boumba - Bek
Cameroon	Campo Ma'an complex
Cameroon	Nki
Cameroon	Lobéké National Park
Gabon	Gamba Protected Areas Complex
Gabon	Lopé Faunal Reserve
Gabon	Ipassa Strict Nature Reserve
Gabon	Minkébé Forest Reserve
Gabon	Léconi grasslands
Ghana	Ankasa Resource Reserve - Nini-Sushien National Park
Ghana	Atewa Range Forest Reserve
Ghana	Bia National Park and Resource Reserve
Ghana	Boin Tano Forest Reserve
Ghana	Boin River Forest Reserve
Ghana	Bosomtwe Range Forest Reserve
Ghana	Bura River Forest Reserve
Ghana	Cape Three Points Forest Reserve
Ghana	Dadieso Forest Reserve
Ghana	Draw River Forest Reserve
Ghana	Ebi River Shelterbelt Forest Reserve
Ghana	Fure River Forest Reserve
Ghana	Jema-Asemkrom Forest Reserve
Ghana	Kakum National Park - Assin Attandaso Resource Reserve
Ghana	Mamiri Forest Reserve
Ghana	Mount Afadjato - Agumatsa Range forest
Ghana	Nsuensa Forest Reserve
Ghana	Pra-Sushien Forest Reserve
Ghana	Subri River Forest Reserve
Ghana	Tano-Anwia Forest Reserve
Ghana	Tano-Ehuro Forest Reserve
Ghana	Tano-Nimiri Forest Reserve
Ghana	Tano-Offin Forest Reserve
Ghana	Yoyo River Forest Reserve
Guinea	Kounounkan
Guinea	Massif du Ziama
Guinea	Diécké
Equatorial Guinea	Monte Alen National Park
Guinea-Bissau	Lagoas de Cufada
Kenya	South Nandi forest
Kenya	Kakamega forest
Liberia	Wologizi mountains
Liberia	Wonegizi mountains
Liberia	Nimba mountains
Liberia	Lake Piso (Cape Mount)
Liberia	Zwedru
Liberia	Cestos - Senkwen
Liberia	Sapo
Liberia	Grebo
Nigeria	Gashaka-Gumti National Park
Nigeria	Afi River Forest Reserve
Nigeria	Okomu National Park
Nigeria	Cross River National Park (Oban Division)
Nigeria	Donga river basin forests
Nigeria	Akassa forests
Nigeria	Ebok-Kabaken
South Sudan	Bengangai
Sierra Leone	Loma Mountains Non-hunting Forest Reserve
Sierra Leone	Tingi Hills Non-hunting Forest Reserve
Sierra Leone	Kangari Hills Non-hunting Forest Reserve
Sierra Leone	Western Area Peninsula Forest National Park
Sierra Leone	Kambui Hills Forest Reserve
Sierra Leone	Gola Forests
Togo	Misahöhe Forest Reserve
Tanzania	Minziro Forest Reserve
Uganda	Bwindi Impenetrable National Park
Uganda	Kibale National Park
Uganda	Queen Elizabeth National Park and Lake George
Uganda	Semliki National Park
Uganda	Mabira Forest Reserve
Uganda	Sango Bay area
Uganda	Budongo Forest Reserve
Uganda	Mount Elgon National Park
Nigeria	Cross River National Park (Okwangwo Division) and Mbe Mountains
Congo	Lake Télé Community Reserve
Uganda	Kasyoha-Kitomi Forest Reserve
Congo	Ntokou Pikounda Reserve
Uganda	Bugoma Central Forest Reserve

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Artificial/Terrestrial	Subtropical/Tropical Heavily Degraded Former Forest	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	major	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Savanna	Dry	suitable	resident
Altitude		Occasional altitudinal limits

Recommended citation
BirdLife International (2023) Species factsheet: Oriolus brachyrynchus. Downloaded from http://datazone.birdlife.org/species/factsheet/western-black-headed-oriole-oriolus-brachyrynchus on 26/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 26/09/2023.