Black-necked Wattle-eye (Dyaphorophyia chalybea)

Black-necked Wattle-eye Dyaphorophyia chalybea

Current view: Data table and detailed info

Taxonomy

Taxonomic note
Dyaphorophyia chalybea (del Hoyo and Collar 2016) was previously listed as Platysteira chalybea.

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.
Dowsett, R. J.; Forbes-Watson, A. D. 1993. Checklist of birds of the Afrotropical and Malagasy regions. Tauraco Press, Li
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/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)	1,120,000
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)	6.1	-	-	-

Population justification: The global population size has not been quantified, but the species is described as locally common (del Hoyo et al. 2006).

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
Angola	extant	native	yes
Cameroon	extant	native	yes
Equatorial Guinea	extant	native	yes
Gabon	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Angola	Gabela
Cameroon	Mbam Djerem National Park
Cameroon	Banyang Mbo Wildlife Sanctuary
Cameroon	Mont Manengouba
Cameroon	Bakossi mountains
Cameroon	Mont Nlonako
Cameroon	Mount Rata and Rumpi Hills Forest Reserve
Cameroon	Mount Kupe
Cameroon	Boumba - Bek
Cameroon	Campo Ma'an complex
Cameroon	Nki
Cameroon	Lobéké National Park
Gabon	Lopé Faunal Reserve
Gabon	Ipassa Strict Nature Reserve
Equatorial Guinea	Monte Alen National Park

Habitats & altitude

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

Recommended citation
BirdLife International (2023) Species factsheet: Dyaphorophyia chalybea. Downloaded from http://datazone.birdlife.org/species/factsheet/black-necked-wattle-eye-dyaphorophyia-chalybea 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.