Black-billed Weaver (Ploceus melanogaster) - BirdLife species factsheet

Black-billed Weaver Ploceus melanogaster

Current view: Data table and detailed info

Taxonomy

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	22 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	2,400,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	-
Generation length	4 years	-	-	-

Population justification: The global population size has not been quantified, but the species is reported to be uncommon to locally common, though uncommon over the greater part of its range (Fry and Keith 2004).

Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Burundi	extant	native	yes
Cameroon	extant	native	yes
Congo, The Democratic Republic of the	extant	native	yes
Equatorial Guinea	extant	native	yes
Kenya	extant	native	yes
Nigeria	extant	native	yes
Rwanda	extant	native	yes
South Sudan	extant	native	yes
Sudan	extant	native	yes
Tanzania	extant	native	yes
Uganda	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Burundi	Bururi Forest Nature Reserve
Burundi	Kibira National Park
Cameroon	Bakossi mountains
Cameroon	Bali-Ngemba Forest Reserve
Cameroon	Banyang Mbo Wildlife Sanctuary
Cameroon	Mbi Crater Faunal Reserve - Mbingo forest
Cameroon	Mont Manengouba
Cameroon	Mount Cameroon and Mokoko-Onge
Cameroon	Mount Kupe
Cameroon	Mount Oku
Cameroon	Mount Rata and Rumpi Hills Forest Reserve
Cameroon	Tchabal-Mbabo
Congo, The Democratic Republic of the	Forests west of Lake Edward
Congo, The Democratic Republic of the	Itombwe Mountains
Congo, The Democratic Republic of the	Kahuzi-Biega National Park
Congo, The Democratic Republic of the	Lendu Plateau
Congo, The Democratic Republic of the	Virunga National Park
Kenya	Aberdare Mountains
Kenya	Cherangani Hills
Kenya	Mau forest complex
Kenya	Mount Elgon (Kenya)
Nigeria	Gashaka-Gumti National Park
Nigeria	Obudu Plateau
Rwanda	Cyamudongo forest
Rwanda	Nyungwe National Park
South Sudan	Imatong mountains
South Sudan	Kidepo
Uganda	Bwindi Impenetrable National Park
Uganda	Echuya Forest Reserve
Uganda	Kasyoha-Kitomi Forest Reserve
Uganda	Kibale National Park
Uganda	Mount Elgon National Park

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Altitude	1500 - 3000 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Black-billed Weaver Ploceus melanogaster. Downloaded from https://datazone.birdlife.org/species/factsheet/black-billed-weaver-ploceus-melanogaster on 22/11/2024.
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 22/11/2024.