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: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | B1ab(iii)+2ab(iii) | B1ab(iii)+2ab(iii) |
Year | Category | Criteria |
---|---|---|
2016 | Endangered | B1ab(iii)+2ab(iii) |
2012 | Near Threatened | B1ab(iii) |
2011 | Near Threatened | B1a+b(iii) |
2008 | Not Recognised | |
2004 | Not Recognised | |
2000 | Not Recognised | |
1994 | Not Recognised | |
1988 | Not Recognised |
Migratory status | not a migrant | Forest dependency | does not normally occur in forest |
Land-mass type |
Land-mass type - continent |
Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence breeding/resident (km2) | 3,600 | medium |
Area of Occupancy breeding/resident (km2) | 40 | |
Number of locations | 2-4 | - |
Severely fragmented? | no | - |
Value | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Number of mature individuals | unknown | not applicable | not applicable | 0 |
Population trend | stable | poor | suspected | 1997-2011 |
Generation length (years) | 4.8 | - | - | - |
Population justification: The population size has not been quantified and further research is required.
Trend justification: The population is suspected to be stable in the absence of any serious and immediate threats that are understood to affect the species and its habitat.
Country/Territory | Presence | Origin | Resident | Breeding | Non-breeding | Passage |
---|---|---|---|---|---|---|
Brazil | extant | native | yes |
Country/Territory | IBA Name |
---|---|
Brazil | Parque Nacional da Chapada Diamantina |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Shrubland | Subtropical/Tropical High Altitude | major | resident |
Altitude | 850 - 1100 m | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
Unknown | Majority (50-90%) | Unknown | Unknown | ||||||
|
|||||||||
Energy production & mining | Mining & quarrying | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Majority (50-90%) | Slow, Significant Declines | Past Impact | ||||||
|
|||||||||
Natural system modifications | Fire & fire suppression - Increase in fire frequency/intensity | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
|
Recommended citation
BirdLife International (2023) Species factsheet: Formicivora grantsaui. Downloaded from
http://datazone.birdlife.org/species/factsheet/sincora-antwren-formicivora-grantsaui on 24/09/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 24/09/2023.