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

Taxonomic note

Cryptillas victorini (del Hoyo and Collar 2016) was previously listed as Bradypterus victorini.

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	Lower Risk/Least Concern

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

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	138,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	unknown	-	-	-
Population trend	unknown	-	-	-
Generation length	2.48 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 trend is difficult to determine because of uncertainty over the impacts of habitat modification on population sizes.

Trend justification: The population trend is difficult to determine because of uncertainty over the impacts of habitat modification on population sizes.

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

Country/Territory	IBA Name
South Africa	Anysberg Nature Reserve
South Africa	Boland Mountains
South Africa	Cedarberg - Koue Bokkeveld complex
South Africa	Kouga - Baviaanskloof Complex
South Africa	Langeberg Mountains
South Africa	Outeniqua mountains
South Africa	Swartberg mountains
South Africa	Tsitsikamma - Plettenberg Bay
South Africa	Wilderness - Sedgefield Lakes Complex

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Shrubland	Subtropical/Tropical Moist	major	resident
Altitude	0 - 1180 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Climate change & severe weather	Habitat shifting & alteration	Timing		Scope		Severity		Impact
		Future		Whole (>90%)		Very Rapid Declines		High Impact: 8
		Stresses Indirect ecosystem effects, Ecosystem degradation

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Recommended citation
BirdLife International (2024) Species factsheet: Victorin's Warbler Cryptillas victorini. Downloaded from https://datazone.birdlife.org/species/factsheet/victorins-warbler-cryptillas-victorini on 26/11/2024.
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 26/11/2024.