EN
Sincora Antwren Formicivora grantsaui



Taxonomy

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#.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- B1ab(iii)+2ab(iii) B1ab(iii)+2ab(iii)

Red List history
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
Species attributes

Migratory status not a migrant Forest dependency does not normally occur in forest
Land-mass type Land-mass type - continent
Average mass -
Distribution

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 -
Population and trend
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 distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
Brazil extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Brazil Parque Nacional da Chapada Diamantina

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Shrubland Subtropical/Tropical High Altitude major resident
Altitude 850 - 1100 m Occasional altitudinal limits  

Threats & impact
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
Stresses
Ecosystem degradation, Ecosystem conversion
Energy production & mining Mining & quarrying Timing Scope Severity Impact
Past, Unlikely to Return Majority (50-90%) Slow, Significant Declines Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion
Natural system modifications Fire & fire suppression - Increase in fire frequency/intensity Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Ecosystem degradation, Ecosystem conversion

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.