Data Zone
Taxonomic note
Myrmoderus squamosus (del Hoyo and Collar 2016) was previously listed as Myrmeciza squamosa.
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 |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2018 | 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 | not a migrant | Forest dependency | Medium |
| Land mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 445,000 | 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 | inferred | - | |
| 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) | 4.8 | - | - | - |
Population justification: The global population size has not been quantified, but this species is described as 'common' (Stotz et al. 1996).
Trend justification:
The species is tentatively assessed as being in decline due to habitat loss per Tracewski et al. (2016).
| Country/Territory | Occurrence status | Presence | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Brazil | N | Extant | Yes |
| Country/Territory | IBA Name |
|---|---|
| Brazil | Serra do Marumbi |
| Brazil | Área de Proteção Ambiental de Guaratuba |
| Brazil | Parque Estadual da Serra do Mar (entre Caraguatatuba e Picinguaba) |
| Brazil | Região de Blumenau |
| Brazil | Serra da Cantareira |
| Brazil | Parque Estadual da Serra do Mar (entre Santos e São Sebastião) |
| Brazil | Serra do Tabuleiro State Park |
| Brazil | Ilhabela State Park (Parque Estadual de Ilhabela IBA) |
| Brazil | Guaraqueçaba / Jacupiranga / Cananéia |
| Brazil | Maciço Florestal de Paranapiacaba |
| Brazil | Estação Ecológica de Juréia-Itatins |
| Brazil | Serra da Bocaina / Paraty / Angra dos Reis |
| Brazil | Região dos Aparados da Serra |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | major | resident |
| Savanna | Dry | suitable | resident |
| Altitude | 0 - 1000 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2022) Species factsheet: Myrmoderus squamosus. Downloaded from
http://www.birdlife.org on 14/08/2022.
Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 14/08/2022.
