Data Zone
Taxonomic note
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.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.
| 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 | does not normally occur in forest |
| Land mass type | Average mass | 22 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 204,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | 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 | - | - | - | |
| Percentage in largest subpopulation | - | - | - | |
| Generation length (yrs) | 3.8 | - | - | - |
Population justification: The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. (1996).
Trend justification: This population is suspected to be in decline owing to ongoing habitat degradation (del Hoyo et al. 2003).
| Country/Territory | Presence | Origin | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Argentina | extant | native | yes | |||
| Chile | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Chile | Corredor Biológico Nevados de Chillán-Laguna del Laja |
| Chile | Desembocadura Río Mataquito |
| Chile | Humedal de Batuco |
| Chile | Humedal El Yali |
| Chile | Lago Peñuelas |
| Chile | Laguna Conchali |
| Chile | Paposo Norte |
| Chile | Parque Nacional Bosque de Fray Jorge |
| Chile | Parque Nacional La Campana |
| Chile | Punta Lengua de Vaca |
| Chile | Putu |
| Chile | Reserva Nacional Altos de Lircay |
| Chile | Reserva Nacional Laguna Torca |
| Chile | Reserva Nacional Las Chinchillas |
| Chile | Reserva Nacional Río Clarillo |
| Chile | Salinas de Huentelauquén Ramsar Site |
| Chile | Santuario de la Naturaleza Humedal Laguna Reloca |
| Chile | Santuario de la Naturaleza Yerba Loca |
| Chile | Valle del Yeso |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Shrubland | Subtropical/Tropical Dry | major | resident |
| Shrubland | Subtropical/Tropical High Altitude | major | resident |
| Altitude | 0 - 1200 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2023) Species factsheet: Pseudasthenes humicola. Downloaded from
http://datazone.birdlife.org/species/factsheet/dusky-tailed-canastero-pseudasthenes-humicola on 28/05/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 28/05/2023.
