Data Zone
Taxonomic note
Heleia javanica (del Hoyo and Collar 2016) was previously listed as Lophozosterops javanicus.
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 |
|---|---|---|
| 2018 | 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 | high |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 77,300 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | decreasing | - | suspected | - |
| Generation length | 4.4 years | - | - | - |
Population justification: The global population size has not been quantified, but the species is described as locally common at higher altitudes (MacKinnon 1988).
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction and fragmentation.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Indonesia | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Indonesia | Batukaru |
| Indonesia | Gunung Bromo Tengger-Semeru |
| Indonesia | Gunung Burangrang - Tangkuban Perahu |
| Indonesia | Gunung Ceremai |
| Indonesia | Gunung Gede - Pangrango |
| Indonesia | Gunung Halimun |
| Indonesia | Gunung Ijen |
| Indonesia | Gunung Karang |
| Indonesia | Gunung Lawu |
| Indonesia | Gunung Liman-Wilis |
| Indonesia | Gunung Masigit-Kareumbi |
| Indonesia | Gunung Merapi |
| Indonesia | Gunung Muria |
| Indonesia | Gunung Papandayan-Kamojang |
| Indonesia | Gunung Salak |
| Indonesia | Gunung Slamet |
| Indonesia | Gunung Tilu-Simpang |
| Indonesia | Gunung Ungaran |
| Indonesia | Pegunungan Dieng |
| Indonesia | Tahura R. Soerjo |
| Indonesia | Telaga Warna-Cibulao |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Montane | major | resident |
| Altitude | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Javan Grey-throated White-eye Heleia javanica. Downloaded from
https://datazone.birdlife.org/species/factsheet/javan-grey-throated-white-eye-heleia-javanica 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.