Data Zone
Taxonomic note
Geospizopsis unicolor (del Hoyo and Collar 2016) was previously placed in the genus Phrygilus following SACC (2005 & updates); Sibley & Monroe (1990, 1993); Stotz et al. (1996).
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. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | 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 | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | 22 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 6,930,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 2.88 years | - | - | - |
Population justification: The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. 1996). The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
Trend justification: The population is suspected to be stable in the absence of evidence for any declines or substantial threats.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Argentina | extant | native | ||||
| Bolivia | extant | native | ||||
| Chile | extant | native | ||||
| Colombia | extant | native | ||||
| Ecuador | extant | native | ||||
| Peru | extant | native | ||||
| Venezuela | extant | native |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Pastureland | suitable | non-breeding |
| Artificial/Terrestrial | Pastureland | suitable | breeding |
| Grassland | Subtropical/Tropical High Altitude | major | non-breeding |
| Grassland | Subtropical/Tropical High Altitude | major | breeding |
| Grassland | Temperate | suitable | non-breeding |
| Grassland | Temperate | suitable | breeding |
| Shrubland | Subtropical/Tropical High Altitude | major | non-breeding |
| Shrubland | Subtropical/Tropical High Altitude | major | breeding |
| Shrubland | Temperate | suitable | non-breeding |
| Shrubland | Temperate | suitable | breeding |
| Altitude | 0 - 5760 m | Occasional altitudinal limits | (min) 2700 m |
Recommended citation
BirdLife International (2024) Species factsheet: Plumbeous Sierra-finch Geospizopsis unicolor. Downloaded from
https://datazone.birdlife.org/species/factsheet/plumbeous-sierra-finch-geospizopsis-unicolor on 26/11/2024.
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 26/11/2024.