Marianne White-eye (Zosterops semiflavus) - BirdLife species factsheet

Marianne White-eye Zosterops semiflavus

Current view: Data table and detailed info

Taxonomy

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
2016	Extinct

Species attributes

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

Distribution

	Estimate	Data quality
Extent of Occurrence breeding/resident (km²)	593,000
Severely fragmented?	no	-

Population and trend

	Value	Data quality	Derivation	Year of estimate
Number of mature individuals		not applicable	not applicable	0
Population trend			not applicable	-
Generation length (years)	3.5	-	-	-

Population justification: See Geographic Range text.

Country/territory distribution

Country/Territory	Presence	Origin	Resident	Breeding	Non-breeding	Passage
Seychelles	extinct	native	yes

Important Bird and Biodiversity Areas (IBA)

Country/Territory	IBA Name

Habitats & altitude

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Forest	Subtropical/Tropical Dry	suitable	resident
Forest	Subtropical/Tropical Mangrove Vegetation Above High Tide Level	suitable	resident
Forest	Subtropical/Tropical Moist Lowland	suitable	resident
Forest	Subtropical/Tropical Moist Montane	suitable	resident
Altitude		Occasional altitudinal limits

Threats & impact

Threat (level 1)

Threat (level 2)

Impact and Stresses

Invasive and other problematic species, genes & diseases

Invasive non-native/alien species/diseases - Unspecified species

Timing

Scope

Severity

Impact

Past, Unlikely to Return

Whole (>90%)

Unknown

Past Impact

Stresses
Species mortality

Recommended citation
BirdLife International (2023) Species factsheet: Zosterops semiflavus. Downloaded from http://datazone.birdlife.org/species/factsheet/marianne-white-eye-zosterops-semiflavus on 03/10/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 03/10/2023.