Mountain Yellow Warbler (Iduna similis) - BirdLife species factsheet

Mountain Yellow Warbler Iduna similis

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Iduna similis (del Hoyo and Collar 2016) was previously listed as Chloropeta similis.

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.

IUCN Red List criteria met and history

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	Lower Risk/Least Concern

Species attributes

Migratory status	not a migrant	Forest dependency	low
Land-mass type		Average mass	11 g

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	1,350,000 km²	medium
Severely fragmented?	yes	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.64 years	-	-	-

Population justification: The global population size has not been quantified, but the species is described as locally common (del Hoyo et al. 2006). The population is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 2006).

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats (del Hoyo et al. 2006).

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Burundi	extant	native	yes
Congo, The Democratic Republic of the	extant	native	yes
Kenya	extant	native	yes
Malawi	extant	native	yes
Rwanda	extant	native	yes
South Sudan	extant	native	yes
Sudan	extant	native	yes
Tanzania	extant	native	yes
Uganda	extant	native	yes
Zambia	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

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	Aberdare Mountains
Kenya	Cherangani Hills
Kenya	Kikuyu Escarpment forest
Kenya	Mau forest complex
Kenya	Mount Elgon (Kenya)
Kenya	Mount Kenya
Malawi	Nyika National Park (Malawi)
Rwanda	Cyamudongo forest
Rwanda	Nyungwe National Park
Rwanda	Volcans National Park
South Sudan	Imatong mountains
South Sudan	Kidepo
Tanzania	Arusha National Park and vicinity
Tanzania	Lake Manyara
Tanzania	Mount Kilimanjaro
Tanzania	Mount Rungwe
Tanzania	Ngorongoro Conservation Area
Tanzania	Njombe forests
Tanzania	Rubeho Mountains
Tanzania	Udzungwa Mountains
Tanzania	Udzungwa National Park
Tanzania	Ukaguru Mountains
Tanzania	Uluguru Mountains
Uganda	Bwindi Impenetrable National Park
Uganda	Echuya Forest Reserve
Uganda	Kidepo Valley National Park
Uganda	Mgahinga Gorilla National Park
Uganda	Mount Elgon National Park
Uganda	Ruwenzori (Rwenzori) Mountains National Park
Zambia	Nyika National Park (Zambia)

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Shrubland	Subtropical/Tropical High Altitude	major	resident
Wetlands (inland)	Bogs, Marshes, Swamps, Fens, Peatlands	suitable	resident
Wetlands (inland)	Permanent Rivers/Streams/Creeks (includes waterfalls)	suitable	resident
Altitude	1800 - 3700 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Mountain Yellow Warbler Iduna similis. Downloaded from https://datazone.birdlife.org/species/factsheet/mountain-yellow-warbler-iduna-similis on 22/11/2024.
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 22/11/2024.