Data Zone
Taxonomic note
Geothlypis aequinoctialis, G. auricularis and G. chiriquensis (del Hoyo and Collar 2016) were lumped as G. aequinoctialis, following AOU (1998 & supplements); 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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | Least Concern | |
| 2016 | Least Concern | |
| 2012 | Not Recognised | |
| 2008 | Not Recognised | |
| 2004 | Not Recognised | |
| 2000 | Not Recognised | |
| 1994 | Not Recognised | |
| 1988 | Not Recognised |
| Migratory status | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | 13 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 14,200,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 14,100,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 2.27 years | - | - | - |
Population justification: The global population size has not been quantified. 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 | yes | |||
| Bolivia | extant | native | yes | |||
| Brazil | extant | native | yes | |||
| Colombia | extant | native | yes | |||
| Ecuador | extant | native | yes | |||
| French Guiana | extant | native | yes | |||
| Guyana | extant | native | yes | |||
| Paraguay | extant | native | yes | |||
| Peru | extant | native | yes | |||
| Suriname | extant | native | yes | |||
| Trinidad and Tobago | extant | native | yes | |||
| Uruguay | extant | native | yes | |||
| Venezuela | extant | native | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Grassland | Subtropical/Tropical Dry | suitable | breeding |
| Grassland | Subtropical/Tropical Dry | suitable | non-breeding |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | breeding |
| Grassland | Subtropical/Tropical Seasonally Wet/Flooded | suitable | non-breeding |
| Savanna | Moist | suitable | breeding |
| Savanna | Moist | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | non-breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | breeding |
| Wetlands (inland) | Bogs, Marshes, Swamps, Fens, Peatlands | suitable | non-breeding |
| Altitude | 0 - 1500 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Masked Yellowthroat Geothlypis aequinoctialis. Downloaded from
https://datazone.birdlife.org/species/factsheet/masked-yellowthroat-geothlypis-aequinoctialis 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.