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Slender-billed Starling Onychognathus tenuirostris

IUCN Red List history

Year Category
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status not a migrant Forest dependency High
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 406,000 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) 4.1 - - -
Population justification: The global population size has not been quantified, but the species is reported to be locally very common (Feare et al. 1998).
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Burundi Native Extant      
Congo, The Democratic Republic of the Native Extant      
Eritrea Native Extant      
Ethiopia Native Extant      
Kenya Native Extant      
Malawi Native Extant      
Rwanda Native Extant      
Tanzania Native Extant      
Uganda Native Extant      
Zambia Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Burundi Bururi Forest Nature Reserve site factsheet
Burundi Kibira National Park site factsheet
Congo, The Democratic Republic of the Forests west of Lake Edward site factsheet
Congo, The Democratic Republic of the Itombwe Mountains site factsheet
Congo, The Democratic Republic of the Kahuzi-Biega National Park site factsheet
Congo, The Democratic Republic of the LaLuama - Katanga - Mount Kabobo site factsheet
Congo, The Democratic Republic of the Mount Hoyo Reserve site factsheet
Congo, The Democratic Republic of the Virunga National Park site factsheet
Eritrea Semenawi Bahri site factsheet
Eritrea Senafe site factsheet
Ethiopia Ankober - Debre Sina escarpment site factsheet
Ethiopia Awi Zone site factsheet
Ethiopia Bahir Dar - Lake Tana site factsheet
Ethiopia Bale Mountains National Park site factsheet
Ethiopia Borana-Saynt (Denkoro Forest) site factsheet
Ethiopia Chilimo-Gaji forest site factsheet
Ethiopia Choke mountains site factsheet
Ethiopia Dessa'a forest site factsheet
Ethiopia Entoto Natural Park and escarpment site factsheet
Ethiopia Finchaa and Chomen swamps site factsheet
Ethiopia Guassa Plateau (Menz) site factsheet
Ethiopia Jibat forest site factsheet
Ethiopia Menagesha State Forest site factsheet
Ethiopia Mount Zuquala site factsheet
Ethiopia Mugo highlands site factsheet
Ethiopia Simien Mountains National Park site factsheet
Ethiopia Tiro Boter - Becho forest site factsheet
Kenya Aberdare Mountains site factsheet
Kenya Cherangani Hills site factsheet
Kenya Mau forest complex site factsheet
Kenya Mount Elgon (Kenya) site factsheet
Kenya Mount Kenya site factsheet
Malawi Nyika National Park (Malawi) site factsheet
Malawi South Viphya Forest Reserve site factsheet
Rwanda Cyamudongo forest site factsheet
Rwanda Nyungwe National Park site factsheet
Rwanda Rugezi Marsh site factsheet
Rwanda Volcans National Park site factsheet
Tanzania Livingstone Mountains forests site factsheet
Tanzania Mount Rungwe site factsheet
Tanzania Nguru Mountains site factsheet
Tanzania Njombe forests site factsheet
Tanzania Rubeho Mountains site factsheet
Tanzania Udzungwa Mountains site factsheet
Tanzania Udzungwa National Park site factsheet
Tanzania Ukaguru Mountains site factsheet
Tanzania Uluguru Mountains site factsheet
Tanzania Umalila Mountains site factsheet
Tanzania Uvidunda Mountains site factsheet
Uganda Bwindi Impenetrable National Park site factsheet
Uganda Mgahinga Gorilla National Park site factsheet
Uganda Mount Elgon National Park site factsheet
Uganda Ruwenzori (Rwenzori) Mountains National Park site factsheet
Zambia Nyika National Park (Zambia) site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Montane major resident
Grassland Subtropical/Tropical High Altitude suitable resident
Rocky areas (eg. inland cliffs, mountain peaks) major resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Altitude 1200 - 4250 m Occasional altitudinal limits (max) 5000 m

Recommended citation
BirdLife International (2014) Species factsheet: Onychognathus tenuirostris. Downloaded from http://www.birdlife.org on 21/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 21/04/2014.

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 Least Concern
Family Sturnidae (Starlings)
Species name author (R
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 406,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions