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Grey-crested Helmet-shrike Prionops poliolophus

IUCN Red List Criteria

Near Threatened (criteria nearly met) A2c+3c+4c;C1+2a(i) 

IUCN Red List history

Year Category
2012 Near Threatened
2008 Near Threatened
2004 Near Threatened
2000 Lower Risk/Near Threatened
1996 Vulnerable
1994 Vulnerable
1988 Near Threatened

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) 52,600 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals Unknown not applicable Not Applicable 0
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 7.8 - - -
Population justification: The population size of this species has not been quantified, but it is described as generally scarce.
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
Kenya Native Extant       Yes
Tanzania Native Extant       Yes

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Kenya Hells Gate National Park site factsheet
Kenya Lake Elmenteita site factsheet
Kenya Lake Naivasha site factsheet
Kenya Lake Nakuru National Park site factsheet
Kenya Masai Mara site factsheet
Kenya South Nguruman site factsheet
Tanzania Maswa Game Reserve site factsheet
Tanzania Ngorongoro Conservation Area site factsheet
Tanzania Serengeti National Park site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Savanna Dry major resident
Shrubland Subtropical/Tropical Dry major resident
Altitude 1200 - 2200 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
Agriculture & aquaculture Livestock farming & ranching / Small-holder grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Invasive and other problematic species, genes & diseases Problematic native species/diseases Timing Scope Severity Impact
Ongoing Unknown Unknown Unknown
Stresses
Hybridisation

Recommended citation
BirdLife International (2014) Species factsheet: Prionops poliolophus. Downloaded from http://www.birdlife.org on 18/12/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/12/2014.

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 Malaconotidae (Helmetshrikes, bushshrikes and puffbacks)
Species name author Fischer & Reichenow, 1884
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 52,600 km2
Country endemic? No
Links to further information
- Summary information on this species
- Projected distributions under climate change