Data Zone
Taxonomic note
Threskiornis moluccus (del Hoyo and Collar 2014) was previously listed as T. molucca.
Taxonomic source(s)
Christidis, L. and Boles, W.E. 2008. Systematics and taxonomy of Australian birds. CSIRO Publishing, Collingwood, Australia.
Christidis, L.; Boles, W. E. 2008. Systematics and taxonomy of Australian birds. CSIRO Publishing, Collingwood, Australia.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
Turbott, E. G. 1990. Checklist of the birds of New Zealand. Ornithological Society of New Zealand, Wellington.
Turbott, E.G. 1990. Checklist of the birds of New Zealand. Ornithological Society of New Zealand, Wellington.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 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 | full migrant | Forest dependency | low |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 14,100,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 15,100,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | estimated | 2009 |
| Population trend | stable | - | suspected | - |
| Generation length | 10.1 years | - | - | - |
Trend justification: The overall population trend is fluctuating, although some populations are stable and others have unknown trends (Wetlands International 2006).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Australia | extant | native | yes | |||
| Indonesia | extant | native | ||||
| New Zealand | extant | vagrant | ||||
| Papua New Guinea | extant | native | yes | |||
| Solomon Islands | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Australia | Alligator Rivers Floodplains |
| Australia | Arafura Swamp |
| Australia | Gwydir Wetlands |
| Australia | Macquarie Marshes |
| Australia | Swan Bay and Port Phillip Bay Islands |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Ponds (below 8ha) | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Ponds (below 8ha) | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Wastewater Treatment Areas | suitable | breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Wastewater Treatment Areas | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | non-breeding |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | breeding |
| Artificial/Terrestrial | Arable Land | suitable | non-breeding |
| Artificial/Terrestrial | Arable Land | suitable | breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | non-breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | breeding |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | non-breeding |
| Grassland | Temperate | suitable | breeding |
| Grassland | Temperate | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | non-breeding |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | breeding |
| Marine Neritic | Estuaries | suitable | breeding |
| Marine Neritic | Estuaries | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | major | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | major | breeding |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Australian Ibis Threskiornis moluccus. Downloaded from
https://datazone.birdlife.org/species/factsheet/australian-ibis-threskiornis-moluccus 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.