email a friend
printable version
NT
Olive-headed Weaver Ploceus olivaceiceps

IUCN Red List Criteria

Near Threatened (criteria nearly met) A2c+3c+4c 

IUCN Red List history

Year Category
2012 Near Threatened
2008 Near Threatened
2004 Near Threatened
2000 Lower Risk/Near Threatened
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type continent
Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 231,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown poor Inferred 0
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4 - - -
Population justification: The total population was estimated at 20,000 pairs in 1998, roughly equating to 60,000 individuals.
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Malawi Native Extant       Yes
Mozambique Native Extant       Yes
Tanzania Native Extant       Yes
Zambia Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Malawi Dzalanyama Forest Reserve site factsheet
Malawi Kasungu National Park site factsheet
Malawi Liwonde Hills Forest Reserve site factsheet
Malawi Mtangatanga and Perekezi Forest Reserves site factsheet
Malawi Namizimu Forest Reserve site factsheet
Malawi Nkhotakota Wildlife Reserve site factsheet
Malawi Ntchisi Mountain Forest Reserve site factsheet
Malawi South Viphya Forest Reserve site factsheet
Mozambique Furancungo woodlands site factsheet
Mozambique Mount Namuli site factsheet
Mozambique Njesi plateau site factsheet
Mozambique Panda Brachystegia woodlands site factsheet
Tanzania Selous Game Reserve site factsheet
Tanzania Umalila Mountains site factsheet
Zambia Lukususi National Park site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Savanna Dry major resident
Altitude 0 - 1700 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops / Small-holder farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Biological resource use Logging & wood harvesting / Unintentional effects: (subsistence/small scale) [harvest] Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Ploceus olivaceiceps. Downloaded from http://www.birdlife.org on 17/09/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/09/2014.

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.

Key facts
Current IUCN Red List category Near Threatened
Family Ploceidae (Weavers and allies)
Species name author (Reichenow, 1899)
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 231,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Projected distributions under climate change