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This species occurs at low densities and is assumed to have a very small, declining and severely fragmented population, with each subpopulation being extremely small. In the light of these factors this species is listed as Endangered.
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.
13-14 cm. Medium-sized, nuthatch-like weaver of forest. Most likely to be seen in the upper strata and canopy only. Matt black upperparts. Dark brown, almost black, head with dull yellow forehead and yellowish nuchal patch. Lemon-yellow underparts. Below the blackish bib there is a diffuse orange-brown patch, broadest at its centre. Female similar but with brown head. Bright yellow eye in both sexes. Bill black. Similar spp. Forest Weaver P. bicolor lacks chestnut breast-band and has ivory coloured bill. Voice Soft but rather high pitched si swee-ee. Rather vocal when feeding. Voice not far from that of Grey Cuckoo-Shrike Coracina caesia. Hints Shy. Most frequently seen above 1,400 m in Mazumbai forest, West Usambara Mountains, Tanzania.
Buckley, P.; Matilya, J. G. 1998. Saving Tanzania's mountain forests. World Birdwatch 20: 16-19.
Burgess, N.; Doggart, N.; Lovett, J. C. 2002. The Uluguru Mountains of eastern Tanzania: the effect of forest loss on biodiversity. Oryx 36: 140-152.
Collar, N. J.; Stuart, S. N. 1985. Threatened birds of Africa and related islands: the ICBP/IUCN Red Data Book. International Council for Bird Preservation, and International Union for Conservation of Nature and Natural Resources, Cambridge, U.K.
Cordeiro, N. J. 1998. A preliminary survey of the montane avifauna of Mt Nilo, East Usambaras, Tanzania. Scopus 20: 1-18.
Dinesen, L.; Lehmberg, T.; Rahner, M. C.; Fjeldsa, J. 2001. Conservation priorities for the forests of the Udzungwa Mountains, Tanzania, based on primates, duikers and birds. Biological Conservation 99: 223-236.
FjeldsÃ¥, J.; Howell, K.; Andersen, M. 1997. An ornithological visit to the Rubeho Mountains, Tanzania. Scopus 19: 73-82.
Seddon, N.; Ekstrom, J. M. M.; Capper, D. R.; Isherwood, I. S.; Muna, R.; Pople, R. G.; Tarimo, E.; Timothy, J. 1999. The importance of the Nilo and Nguu North Forest Reserves for the conservation of montane forest birds in Tanzania. Biological Conservation 87: 59-72.
Svendsen, J. O.; Hansen, L. A. 1995. Report on the Uluguru Biodiversity Survey 1993. Royal Society for the Protection of Birds/Tanzania Forestry Research Institute/Centre for Tropical Biodiversity, Sandy, U.K.
Zimmerman, D. A.; Turner, D. A.; Pearson, D. J. 1996. Birds of Kenya and northern Tanzania. Helm, London.
Further web sources of information
Explore HBW Alive for further information on this species
Text account compilers
Ekstrom, J., Evans, M., Shutes, S., Starkey, M., Symes, A., Taylor, J.
Baker, N., Dinesen, L., Hansen, L., Moyer, D.
IUCN Red List evaluators
Butchart, S., Taylor, J.
BirdLife International (2016) Species factsheet: Ploceus nicolli. Downloaded from http://www.birdlife.org on 24/07/2016. Recommended citation for factsheets for more than one species: BirdLife International (2016) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 24/07/2016.
This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.
Additional resources for this species
|Current IUCN Red List category||Endangered|
|Family||Ploceidae (Weavers and allies)|
|Species name author||Sclater, 1931|
|Population size||600-1700 mature individuals|
|Distribution size (breeding/resident)||7,900 km2|
|Links to further information|
- Additional Information on this species|
- Projected distributions under climate change