Grey Wren-warbler (Calamonastes simplex) | Details

Grey Wren-warbler Calamonastes simplex

Current view: Data table and detailed info

Taxonomy

Taxonomic note

Calamonastes simplex (del Hoyo and Collar 2016) was previously listed as Camaroptera simplex.

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	Not Recognised

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)	2,210,000 km²
Severely fragmented?	no	-

Population

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	stable	-	suspected	-
Generation length	2.51 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.

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
Djibouti	extant	native	yes
Ethiopia	extant	native	yes
Kenya	extant	native	yes
Somalia	extant	native	yes
South Sudan	extant	native	yes
Sudan	extant	native	yes
Tanzania	extant	native	yes
Uganda	extant	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name
Ethiopia	Arero forest
Ethiopia	Awash National Park
Ethiopia	Dawa - Wachile
Ethiopia	Eastern Hararghe (Harar-Wabi Shebelle)
Ethiopia	Lake Chew Bahir
Ethiopia	Lower Wabi Shebelle river and Warder
Ethiopia	Mankubsa - Welenso forest
Ethiopia	Nechisar National Park and surroundings
Ethiopia	Omo National Park
Ethiopia	Sof Omar
Ethiopia	Yabello Sanctuary
Kenya	Amboseli National Park
Kenya	Dida Galgalu desert
Kenya	Lake Baringo
Kenya	Meru National Park
Kenya	Samburu and Buffalo Springs National Reserves
Kenya	Shaba National Reserve
Kenya	Tsavo East National Park
Kenya	Tsavo West National Park
Somalia	Arbowerow
Somalia	Balcad Nature Reserve
Somalia	Buulobarde
Somalia	Daalo
Somalia	Gacan Libaax
Somalia	Jasiira lagoon and Muqdisho islets
Somalia	Jowhar - Warshiikh
Somalia	Laag Badaana
Somalia	Lascaanod - Taleex - Ceel Chebet
Somalia	Saylac
Somalia	War Harqaan - isha Dolondole
Somalia	Xawaadley reservoir
South Sudan	Bandingilo
South Sudan	Kidepo
Tanzania	Lake Manyara
Tanzania	Lake Natron and Engaruka basin
Tanzania	Longido Game Controlled Area
Tanzania	Mkomazi National Park
Tanzania	Nyumba ya Mungu reservoir
Tanzania	Ruaha National Park
Tanzania	Serengeti National Park
Tanzania	Tarangire National Park
Tanzania	Usangu flats
Tanzania	Wembere steppe
Uganda	Kidepo Valley National Park

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Savanna	Dry	major	resident
Shrubland	Subtropical/Tropical Dry	major	resident
Altitude	0 - 1790 m	Occasional altitudinal limits

Recommended citation
BirdLife International (2024) Species factsheet: Grey Wren-warbler Calamonastes simplex. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-wren-warbler-calamonastes-simplex 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.