• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Taxonomic note

Arizelocichla masukuensis (del Hoyo and Collar 2016) was previously listed as Andropadus masukuensis.

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2024	Least Concern
2016	Least Concern
2012	Least Concern
2009	Least Concern
2008	Least Concern
2004	Least Concern
2000	Lower Risk/Least Concern
1994	Lower Risk/Least Concern
1988	Not Recognised

Migratory status	altitudinal migrant	Forest dependency	high
Land-mass type		Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,100,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	-
Generation length	4.03 years	-	-	-

Population justification: The global population size has not been quantified, but the species is described as generally fairly common, although locally abundant (del Hoyo et al. 2005). This species is considered to have a high dependency on forest habitat, and tree cover is estimated to have declined by 12% within its mapped range over the past three generations (Global Forest Watch 2022, using Hansen et al. [2013] data and methods disclosed therein). It is therefore tentatively suspected that this rate of cover loss may have led to a decline of between 1-19% in the species' population size over the same time frame, with a best estimate of reduction being 11-14%.

Trend justification:   .

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Burundi	extant	native
Congo, The Democratic Republic of the	extant	native
Kenya	extant	native
Malawi	extant	native
Rwanda	extant	native
Tanzania	extant	native
Uganda	extant	native

Country/Territory	IBA Name
Burundi	Bururi Forest Nature Reserve
Burundi	Kibira National Park
Congo, The Democratic Republic of the	Forests west of Lake Edward
Congo, The Democratic Republic of the	Itombwe Mountains
Congo, The Democratic Republic of the	Kahuzi-Biega National Park
Congo, The Democratic Republic of the	Mount Kabobo
Congo, The Democratic Republic of the	Virunga National Park
Kenya	Mau forest complex
Kenya	Mount Elgon (Kenya)
Malawi	Misuku Hills Forest Reserves
Rwanda	Nyungwe National Park
Tanzania	East Usambara Mountains
Tanzania	Livingstone Mountains forests
Tanzania	Mount Rungwe
Tanzania	Nguru Mountains
Tanzania	Nguu Mountains
Tanzania	Njombe forests
Tanzania	Rubeho Mountains
Tanzania	South Pare Mountains
Tanzania	Udzungwa Mountains
Tanzania	Udzungwa National Park
Tanzania	Ukaguru Mountains
Tanzania	Uluguru Mountains
Tanzania	Umalila Mountains
Tanzania	Uvidunda Mountains
Tanzania	West Usambara Mountains
Uganda	Bwindi Impenetrable National Park
Uganda	Kasyoha-Kitomi Forest Reserve
Uganda	Mount Elgon National Park

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Forest	Subtropical/Tropical Moist Montane	major	resident
Altitude	900 - 2300 m	Occasional altitudinal limits

Purpose	Scale
Pets/display animals, horticulture	subsistence, national

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Recommended citation
BirdLife International (2024) Species factsheet: Shelley's Greenbul Arizelocichla masukuensis. Downloaded from https://datazone.birdlife.org/species/factsheet/shelleys-greenbul-arizelocichla-masukuensis on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.