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LC
Brown Warbler Sylvia lugens

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 Medium
Land mass type   Average mass 14.9 g

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 402,000 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 - - -
Population justification: The global population size has not been quantified, but the species is described as locally common in Ethiopia and more scarce elsewhere (del Hoyo et al. 2006).
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation (del Hoyo et al. 2006).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Congo, The Democratic Republic of the Native Extant      
Ethiopia Native Extant      
Kenya Native Extant      
Malawi Native Extant      
South Sudan Native Extant      
Sudan 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
Congo, The Democratic Republic of the Itombwe Mountains site factsheet
Congo, The Democratic Republic of the Marungu highlands site factsheet
Ethiopia Bale Mountains National Park site factsheet
Ethiopia Entoto Natural Park and escarpment site factsheet
Ethiopia Jibat forest site factsheet
Ethiopia Sululta plain site factsheet
Kenya Cherangani Hills site factsheet
Kenya Kakamega forest site factsheet
Kenya Kinangop grasslands site factsheet
Kenya Lake Elmenteita site factsheet
Kenya Lake Naivasha site factsheet
Kenya Masai Mara site factsheet
Kenya Mau Narok - Molo grasslands site factsheet
Kenya Mount Elgon (Kenya) site factsheet
Kenya Nairobi National Park site factsheet
Kenya North Nandi forest site factsheet
Kenya South Nguruman site factsheet
Malawi Nyika National Park (Malawi) site factsheet
South Sudan Imatong mountains site factsheet
South Sudan Kidepo site factsheet
Tanzania Ngorongoro Conservation Area site factsheet
Tanzania Udzungwa Mountains site factsheet
Tanzania Udzungwa National Park site factsheet
Uganda Kidepo Valley National Park site factsheet
Uganda Mount Elgon National Park site factsheet
Zambia Mafinga Mountains site factsheet
Zambia Nyika National Park (Zambia) site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Arable Land suitable resident
Forest Subtropical/Tropical Dry major resident
Savanna Dry major resident
Altitude 1400 - 3700 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Sylvia lugens. Downloaded from http://www.birdlife.org on 24/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 24/04/2014.

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 Sylviidae (Old World warblers)
Species name author R
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 402,000 km2
Country endemic? No
Links to further information
- Summary information on this species
- Climate change species distributions