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.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2022 | Least Concern | |
2016 | Vulnerable | D1+2 |
2012 | Vulnerable | D2 |
2008 | Vulnerable | D2 |
2004 | Vulnerable | |
2000 | Vulnerable | |
1996 | Vulnerable | |
1994 | Vulnerable | |
1988 | Near Threatened |
Migratory status | not a migrant | Forest dependency | medium |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 32 km2 | medium |
Area of Occupancy (breeding/resident) | 32 km2 | |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | unknown | - | - | - |
Population trend | stable | poor | suspected | - |
Generation length | 2.82 years | - | - | - |
Number of subpopulations | 1 | - | - | - |
Percentage of mature individuals in largest subpopulation | 100% | - | - | - |
Population justification: The population size has not been quantified.
Trend justification: The species has been documented as abundant (Harrison 1990), and on the basis that there are no known immediate threats, the population is suspected to be stable.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Equatorial Guinea | extant | native | yes |
Country/Territory | IBA Name |
---|---|
Equatorial Guinea | Annobón |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Artificial/Terrestrial | Arable Land | suitable | resident |
Artificial/Terrestrial | Plantations | major | resident |
Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | resident |
Forest | Subtropical/Tropical Dry | suitable | resident |
Forest | Subtropical/Tropical Moist Lowland | major | resident |
Savanna | Dry | suitable | resident |
Altitude | 0 - 655 m | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Agriculture & aquaculture | Annual & perennial non-timber crops - Small-holder farming | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Majority (50-90%) | No decline | Past Impact | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Annobon White-eye Zosterops griseovirescens. Downloaded from
https://datazone.birdlife.org/species/factsheet/annobon-white-eye-zosterops-griseovirescens on 23/11/2024.
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 23/11/2024.