Data Zone
Taxonomic note
Gerygone magnirostris and G. hypoxantha (del Hoyo and Collar 2016) were previously lumped as G. magnirostris following Christidis & Boles (2008) and Sibley & Monroe (1990, 1993).
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.
Morony, J. J.; Bock, W. J.; Farrand, J. 1975. Reference list of the birds of the world. Department of Ornithology, American Museum of Natural History, New York.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2018 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Not Recognised | |
| 2008 | Not Recognised | |
| 2007 | Not Recognised | |
| 2004 | Least Concern | |
| 2000 | Lower Risk/Least Concern | |
| 1994 | Lower Risk/Least Concern | |
| 1988 | Not Recognised |
| Migratory status | not a migrant | Forest dependency | medium |
| Land-mass type | Average mass | 7 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 5,220,000 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 5.5 years | - | - | - |
Population justification: The global population size has not been quantified, but the species is reported to be locally common to very common in Papua New Guinea and locally quite common in Australia (Coates 1990, Flegg and Madge 1995).
Trend justification:
The species is suspected to be stable in the absence of evidence for any declines or substantial threats.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Australia | extant | native | yes | |||
| Indonesia | extant | native | yes | |||
| Papua New Guinea | extant | native | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Dry | suitable | resident |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | major | resident |
| Forest | Subtropical/Tropical Moist Lowland | suitable | resident |
| Shrubland | Subtropical/Tropical Moist | suitable | resident |
| Altitude | 0 - 1200 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Large-billed Gerygone Gerygone magnirostris. Downloaded from
https://datazone.birdlife.org/species/factsheet/large-billed-gerygone-gerygone-magnirostris on 22/12/2024.
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 22/12/2024.