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., 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 |
---|---|---|
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 | Medium |
Land mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence breeding/resident (km2) | 103,000 | |
Number of locations | - | |
Fragmentation | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
No. of mature individuals | unknown | not applicable | not applicable | 0 |
Population trend | Decreasing | suspected | - | |
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) | 5.3 | - | - | - |
Population justification: The global population size has not been quantified, but the species is reported to be locally fairly common (Flegg and Madge 1995).
Trend justification: This population is suspected to be in decline owing to ongoing habitat destruction (del Hoyo et al. 2007).
Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
---|---|---|---|---|---|---|
Australia | N | Extant | Yes |
Country/Territory | IBA Name |
---|---|
Australia | Ben Lomond |
Australia | Bruny Island |
Australia | Cradle Mountain |
Australia | Douglas-Apsley |
Australia | Hunter Island Group |
Australia | King Island |
Australia | Melaleuca to Birchs Inlet |
Australia | North-west Tasmanian Coast |
Australia | South-east Tasmania |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Forest | Temperate | major | resident |
Shrubland | Temperate | suitable | resident |
Altitude | Occasional altitudinal limits |
Recommended citation
BirdLife International (2019) Species factsheet: Acanthornis magna. Downloaded from
http://www.birdlife.org on 09/12/2019.
Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 09/12/2019.