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

Taxonomic note
Xanthomixis cinereiceps (del Hoyo and Collar 2016) was previously listed as Bernieria cinereiceps.

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.
Dowsett, R. J.; Forbes-Watson, A. D. 1993. Checklist of birds of the Afrotropical and Malagasy regions. Tauraco Press, Li
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.

Red List criteria met

Critically Endangered	Endangered	Vulnerable
-	-	-

Red List history

Year	Category	Criteria
2016	Near Threatened	A3c; C2a(ii)
2012	Near Threatened	A3c;C2a(ii)
2008	Near Threatened	A3c; C2a(ii)
2004	Near Threatened
2000	Lower Risk/Near Threatened
1996	Vulnerable
1994	Vulnerable
1988	Threatened

Migratory status	not a migrant	Forest dependency	high
Land-mass type	shelf island	Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	285,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	decreasing	-	suspected	-
Rate of change over the future 10 years/3 generations (longer of the two periods)	20-29%	-	-	-
Generation length	3.6 years	-	-	-

Population justification: The population size of this species has not been quantified, but it is described as fairly common in parts of its range.

Trend justification: The species's population is predicted to undergo a moderately rapid decline as rainforest in eastern Madagascar suffers increasing clearance and degradation for shifting agriculture.

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
Madagascar	extant	native	yes

Country/Territory	IBA Name
Madagascar	Ambatovaky Special Reserve
Madagascar	Andohahela National Park - Section I
Madagascar	Andringitra National Park
Madagascar	Anjozorobe Forest
Madagascar	Bezavona Classified Forest
Madagascar	Kalambatritra Special Reserve
Madagascar	Mangerivola Special Reserve
Madagascar	Mantadia National Park and Analamazaotra Special Reserve
Madagascar	Marojejy National Park
Madagascar	Marotandrano Special Reserve
Madagascar	Masoala National Park
Madagascar	Midongy South National Park
Madagascar	Onive Classified Forest
Madagascar	Ranomafana National Park and extension
Madagascar	South Anjanaharibe Special Reserve and extension
Madagascar	Tsaratanana Strict Nature Reserve and extension
Madagascar	Zafimaniry Forest
Madagascar	Zahamena National Park and Strict Reserve

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Moist Montane	major	resident
Altitude	900 - 2000 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Agriculture & aquaculture	Annual & perennial non-timber crops - Shifting agriculture	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Ecosystem degradation, Ecosystem conversion

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Recommended citation
BirdLife International (2024) Species factsheet: Grey-crowned Tetraka Xanthomixis cinereiceps. Downloaded from https://datazone.birdlife.org/species/factsheet/grey-crowned-tetraka-xanthomixis-cinereiceps 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.