LC
Black-chinned Weaver Ploceus nigrimentus



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
1996 Vulnerable
1994 Vulnerable
1988 Threatened
Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type Land-mass type - continent
Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 572,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
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 - - -

Trend justification: The population is suspected to be stable as its habitat in the Congo and Gabon is likely to be secure, since it is unsuitable for agriculture (Collar and Stuart 1985, Dowsett and Dowsett-Lemaire 1989, F. Dowsett-Lemaire in litt. 1997).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Angola N Extant Yes
Congo N Extant Yes
Gabon N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Angola Mombolo (Missão da Namba)
Congo Léfini Faunal Reserve
Gabon Léconi grasslands

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Savanna Dry major resident
Shrubland Subtropical/Tropical Dry suitable resident
Altitude 500 - 1500 m 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 nigrimentus. Downloaded from http://www.birdlife.org on 10/07/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 10/07/2020.