Stierling's Wren-warbler (Calamonastes stierlingi) | Details

Stierling's Wren-warbler Calamonastes stierlingi

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Calamonastes undosus and C. stierlingi (del Hoyo and Collar 2016) were previously lumped as Camaroptera undosa following Dowsett & Forbes-Watson (1993).

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	Not Recognised
2008	Not Recognised
2004	Not Recognised
2000	Not Recognised
1994	Not Recognised
1988	Lower Risk/Least Concern

Species attributes

Migratory status	not a migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	-

Range

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	2,220,000 km²	medium
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.57 years	-	-	-

Population justification: The global population size has not been quantified, but the species is described as uncommon to 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.

Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.

Country/territory distribution

Country/Territory	Presence	Origin	Resident
Angola	extant	native	yes
Botswana	extant	native	yes
Eswatini	extant	native	yes
Malawi	extant	native	yes
Mozambique	extant	native	yes
Namibia	extant	native	yes
South Africa	extant	native	yes
Tanzania	extant	native	yes
Zambia	extant	native	yes
Zimbabwe	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Botswana	Chobe National Park
Botswana	Linyanti swamp/Chobe river
Malawi	Dzalanyama Forest Reserve
Malawi	Kasungu National Park
Malawi	Lengwe National Park
Malawi	Liwonde Hills Forest Reserve
Malawi	Mtangatanga and Perekezi Forest Reserves
Malawi	Namizimu Forest Reserve
Malawi	Nkhotakota Wildlife Reserve
Malawi	Ntchisi Mountain Forest Reserve
Malawi	Nyika National Park (Malawi)
Malawi	South Viphya Forest Reserve
Malawi	Vwaza Marsh Wildlife Reserve
Mozambique	Chimanimani Mountains (Mozambique)
Mozambique	Furancungo woodlands
Namibia	Eastern Caprivi wetlands
Tanzania	Selous Game Reserve
Zambia	Chimfunshi Wildlife Orphanage
Zambia	Chisamba
Zambia	Chitunta Plain
Zambia	Hillwood
Zambia	Jimbe Drainage
Zambia	Kafue Flats
Zambia	Kafue National Park
Zambia	Kasanka National Park
Zambia	Lavushi Manda National Park
Zambia	Lower Zambezi National Park
Zambia	Lukususi National Park
Zambia	Mutinondo Wilderness
Zambia	Nkanga River Conservation Area
Zambia	North Luangwa National Park
Zambia	North Swaka
Zambia	Nyanje Hills
Zambia	Shiwa Ng'andu
Zambia	Sioma Ngwezi National Park
Zambia	Source of the Zambezi
Zambia	South Luangwa National Park
Zambia	West Lunga National Park and Lukwakwa Game Management Area
Zimbabwe	Chizarira National Park
Zimbabwe	Hwange National Park
Zimbabwe	Mavuradonha Mountains
Zimbabwe	Robert McIlwaine Recreational Park

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Savanna	Dry	major	resident
Shrubland	Subtropical/Tropical Dry	major	resident
Altitude	0 - 1700 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Stierling's Wren-warbler Calamonastes stierlingi. Downloaded from https://datazone.birdlife.org/species/factsheet/stierlings-wren-warbler-calamonastes-stierlingi on 21/12/2024.
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 21/12/2024.