Data Zone
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 | not a migrant | Forest dependency | Low |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 27,100,000 | |
| Extent of Occurrence non-breeding (km2) | 27,700,000 | |
| Number of locations | - | |
| Fragmentation | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | poor | estimated | 2009 | |
| Population trend | Unknown | not applicable | - | |
| Decline (3 years/1 generation past) | - | - | - | |
| Decline (5 years/1 generation past) | - | - | - | |
| Decline (10 years/1 generation past) | - | - | - | |
| Decline (10 years/3 generation future) | - | - | - | |
| Decline (10 years/3 generation past and future) | - | - | - | |
| Number of subpopulations | - | - | - | |
| Largest subpopulations | - | - | - | |
| Generation length (yrs) | 8.7 | - | - | - |
Trend justification: The population trend is difficult to determine because of uncertainty over the extent of threats to the species.
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Australia | N | Extant | Yes | |||
| Christmas Island (to Australia) | V | Extant | Yes | |||
| Indonesia | N | Extant | Yes | |||
| New Caledonia (to France) | N | Extant | Yes | |||
| New Zealand | N | Extant | Yes | |||
| Palau | V | Extant | Yes | |||
| Papua New Guinea | N | Extant | Yes | |||
| Timor-Leste | N | Extant | Yes |
| Country/Territory | IBA Name |
|---|---|
| Indonesia | Pulau Dua |
| Australia | Lake Sylvester System |
| Australia | Lake Argyle |
| Australia | Lake Machattie Area |
| Australia | Fortescue Marshes |
| Australia | Lake Gregory/Paraku |
| New Zealand | Taiaroa Head |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Aquatic & Marine | Artificial/Aquatic - Ponds (below 8ha) | suitable | resident |
| Artificial/Aquatic & Marine | Artificial/Aquatic - Water Storage Areas (over 8ha) | suitable | resident |
| Artificial/Terrestrial | Urban Areas | suitable | resident |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | resident |
| Marine Coastal/Supratidal | Coastal Brackish/Saline Lagoons/Marine Lakes | suitable | resident |
| Marine Neritic | Estuaries | suitable | resident |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | resident |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2020) Species factsheet: Phalacrocorax sulcirostris. Downloaded from
http://www.birdlife.org on 06/08/2020.
Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 06/08/2020.
