Data Zone
Taxonomic note
Catharus ustulatus and C. swainsoni (del Hoyo and Collar 2016) were previously lumped as C. ustulatus following AERC TAC (2003), AOU (1998 & supplements), Cramp et al. (1977-1994), 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 | |
| 2018 | 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 | high |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 1,480,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 4,320,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | - | - |
| Population trend | stable | - | suspected | - |
| Generation length | 2.44 years | - | - | - |
Population justification: The global population size is unknown given recent taxonomic splits.
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 |
|---|---|---|---|---|---|---|
| Belize | extant | native | yes | |||
| Canada | extant | native | yes | yes | ||
| Colombia | extant | native | yes | |||
| Costa Rica | extant | native | yes | yes | ||
| Cuba | extant | vagrant | yes | |||
| El Salvador | extant | native | yes | yes | ||
| Guatemala | extant | native | yes | yes | ||
| Honduras | extant | native | yes | |||
| Jamaica | extant | native | yes | |||
| Mexico | extant | native | yes | yes | ||
| Nicaragua | extant | native | yes | yes | ||
| Panama | extant | native | yes | |||
| USA | extant | native | yes | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Pastureland | marginal | non-breeding |
| Artificial/Terrestrial | Plantations | suitable | breeding |
| Artificial/Terrestrial | Rural Gardens | suitable | non-breeding |
| Artificial/Terrestrial | Urban Areas | suitable | passage |
| Forest | Boreal | suitable | breeding |
| Forest | Subtropical/Tropical Dry | suitable | non-breeding |
| Forest | Subtropical/Tropical Moist Lowland | suitable | non-breeding |
| Forest | Temperate | suitable | breeding |
| Grassland | Subtropical/Tropical Dry | suitable | passage |
| Rocky areas (eg. inland cliffs, mountain peaks) | suitable | breeding | |
| Shrubland | Mediterranean-type Shrubby Vegetation | suitable | breeding |
| Shrubland | Subtropical/Tropical Moist | suitable | non-breeding |
| Wetlands (inland) | Permanent Rivers/Streams/Creeks (includes waterfalls) | suitable | non-breeding |
| Altitude | 0 - 3000 m | Occasional altitudinal limits |
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Russet-backed Thrush Catharus ustulatus. Downloaded from
https://datazone.birdlife.org/species/factsheet/russet-backed-thrush-catharus-ustulatus on 22/12/2024.
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 22/12/2024.