Data Zone
Taxonomic note
Formicivora grisea and F. intermedia (del Hoyo and Collar 2016) were previously lumped as F. grisea following AOU (1998 & supplements), SACC (2005 & updates), Sibley & Monroe (1990, 1993) and 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 |
|---|---|---|
| 2021 | Least Concern | |
| 2016 | Least Concern |
| Migratory status | not a migrant | Forest dependency | Medium |
| Land mass type | Average mass | 11 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 1,520,000 | 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) | 4.3 | - | - | - |
Population justification: The global population size has not been quantified given recent taxonomic splits. The species is described as 'common' (Stotz et al. 1996).
Trend justification: The species is undergoing a large, significant decline (Partners in Flight 2019).
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Colombia | N | Extant | Yes | |||
| Panama | N | Extant | Yes | |||
| Trinidad and Tobago | N | Extant | Yes | |||
| Venezuela | N | Extant | Yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Dry | suitable | resident |
| Forest | Subtropical/Tropical Mangrove Vegetation Above High Tide Level | suitable | resident |
| Forest | Subtropical/Tropical Moist Lowland | suitable | resident |
| Forest | Subtropical/Tropical Moist Montane | suitable | resident |
| Savanna | Moist | suitable | resident |
| Shrubland | Subtropical/Tropical Dry | suitable | resident |
| Shrubland | Subtropical/Tropical Moist | suitable | resident |
| Altitude | 0 - 1600 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2022) Species factsheet: Formicivora intermedia. Downloaded from
http://www.birdlife.org on 16/08/2022.
Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 16/08/2022.
