Data Zone
Taxonomic note
Tribonyx mortierii (del Hoyo and Collar 2014) was previously placed in the genus Gallinula.
Taxonomic source(s)
Christidis, L. and 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. Volume 1: Non-passerines. Lynx Edicions 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 | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 73,500 km2 | |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | unknown | - | - | - |
| Generation length | 5.9 years | - | - | - |
Population justification: The global population size has not been quantified, but is very numerous within its range and is regarded as an agricultural pest.
Trend justification: The population trend is difficult to determine because of uncertainty over the impacts of habitat modification on population sizes.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Australia | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Australia | Ben Lomond |
| Australia | Bruny Island |
| Australia | Cape Portland |
| Australia | Cradle Mountain |
| Australia | Douglas-Apsley |
| Australia | Hunter Island Group |
| Australia | Maria Island |
| Australia | North-west Tasmanian Coast |
| Australia | Robbins Passage and Boullanger Bay |
| Australia | South-east Tasmania |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | resident |
| Artificial/Terrestrial | Pastureland | suitable | resident |
| Grassland | Temperate | suitable | resident |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Freshwater Marshes/Pools (under 8ha) | suitable | resident |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Lakes (over 8ha) | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) | suitable | resident |
| Wetlands (inland) | Seasonal/Intermittent/Irregular Rivers/Streams/Creeks | suitable | resident |
| Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Tasmanian Native-hen Tribonyx mortierii. Downloaded from
https://datazone.birdlife.org/species/factsheet/tasmanian-native-hen-tribonyx-mortierii on 23/12/2024.
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 23/12/2024.