LC
Vieillot's Black Weaver Ploceus nigerrimus



Taxonomy

Taxonomic note
Ploceus nigerrimus and P. castaneofuscus (del Hoyo and Collar 2016) were previously lumped as P. nigerrimus following Dowsett & Forbes-Watson (1993); Sibley & Monroe (1990, 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) 4,250,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals unknown not applicable not applicable 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 - - -
Generation length (yrs) 4 - - -

Population justification: The global population size has not been quantified, but the species is described as common to abundant (Fry and Keith 2004).

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
Burundi N Extant Yes
Cameroon N Extant Yes
Central African Republic N Extant Yes
Congo N Extant Yes
Congo, The Democratic Republic of the N Extant Yes
Equatorial Guinea N Extant Yes
Gabon N Extant Yes
Kenya N Extant Yes
Nigeria N Extant Yes
Rwanda N Extant Yes
South Sudan N Extant Yes
Sudan N Extant Yes
Tanzania N Extant Yes
Uganda N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Angola Camabatela
Angola Gabela
Angola Lago Carumbo
Angola Luachimo River (Chitato)
Angola Maiombe
Angola Mount Moco
Burundi Rwihinda Lake Managed Nature Reserve
Burundi Kibira National Park
Burundi Ruvubu National Park
Burundi Rusizi National Park
Burundi Bururi Forest Nature Reserve
Congo, The Democratic Republic of the Luki Forest Reserve
Congo, The Democratic Republic of the Bombo-Lumene Game 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 Lendu Plateau
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 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
Cameroon Ngaoundaba Ranch
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 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 Akanda
Gabon Ogooué delta and Mandji island
Equatorial Guinea Monte Alen National Park
Kenya North Nandi forest
Kenya South Nandi forest
Kenya Kakamega forest
Nigeria Gashaka-Gumti National Park
Nigeria Cross River National Park (Oban Division)
Nigeria Cross River National Park (Okwangwo Division) and Mbe Mountains
Nigeria Donga river basin forests
Nigeria Ebok-Kabaken
Rwanda Akanyaru wetlands
South Sudan Bengangai
Tanzania Mahali Mountain National Park
Tanzania Rubondo Island National Park
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 Semliki reserves
Uganda Mabira Forest Reserve
Uganda Sango Bay area
Uganda Budongo Forest Reserve
Uganda Murchison Falls National Park
Uganda Mount Elgon National Park
Uganda Nabajjuzi Wetland
Uganda Kasyoha-Kitomi Forest Reserve
Congo Lake Télé Community Reserve
Congo Ntokou Pikounda Reserve
Burundi Kigwena Forest Nature Reserve
Uganda Bugoma Central Forest Reserve

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Rural Gardens suitable resident
Forest Subtropical/Tropical Dry suitable resident
Forest Subtropical/Tropical Moist Lowland suitable resident
Savanna Dry suitable resident
Altitude   Occasional altitudinal limits  

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - International Non-trivial Recent

Recommended citation
BirdLife International (2020) Species factsheet: Ploceus nigerrimus. Downloaded from http://www.birdlife.org on 07/07/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 07/07/2020.