Data Zone
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: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2024 | 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 | full migrant | Forest dependency | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 465,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 1,280,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | - | - | - |
| Population trend | unknown | - | - | - |
| Generation length | 3.74 years | - | - | - |
Population justification: The global population size has not been quantified, but this species is described as 'uncommon and patchily distributed' (Stotz et al. 1996). It is unclear whether the population is experiencing local fluctuations or an overall decline (del Hoyo et al. 2004).
Trend justification: It is unclear whether the population is experiencing local fluctuations or an overall decline (del Hoyo et al. 2004).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Argentina | extant | native | yes | |||
| Brazil | extant | vagrant | yes | |||
| Chile | extant | native | yes | |||
| Paraguay | extant | vagrant | ||||
| Uruguay | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| Argentina | Area Natural Protegida El Mangrullo |
| Argentina | El Zurdo |
| Argentina | Estancia El Cóndor |
| Argentina | La Angostura y Alto Río Chico |
| Argentina | Meseta del Asador (o Aguila) |
| Argentina | Meseta Lago Buenos Aires |
| Argentina | Meseta Lago Strobel |
| Argentina | Monumento Natural Bosques Petrificados y Estancia El Cuadro |
| Argentina | Parque Nacional Laguna Blanca |
| Argentina | Parque Nacional Los Glaciares y adyacencias (Estancias El Sosiego, La Soledad y Anita) |
| Argentina | Parque Nacional Perito Moreno y Reserva Provincial San Lorenzo |
| Argentina | Reserva Costa Atlántica de Tierra del Fuego y zonas adyacentes |
| Argentina | Valle del Río Collón Curá |
| Chile | Parque Nacional Pali Aike |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | non-breeding |
| Artificial/Terrestrial | Arable Land | suitable | breeding |
| Artificial/Terrestrial | Pastureland | suitable | non-breeding |
| Artificial/Terrestrial | Pastureland | suitable | breeding |
| Grassland | Subtropical/Tropical Dry | major | non-breeding |
| Grassland | Temperate | major | non-breeding |
| Grassland | Temperate | major | breeding |
| Shrubland | Subtropical/Tropical Dry | suitable | non-breeding |
| Shrubland | Temperate | suitable | non-breeding |
| Shrubland | Temperate | suitable | breeding |
| Altitude | 0 - 1470 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Chocolate-vented Tyrant Neoxolmis rufiventris. Downloaded from
https://datazone.birdlife.org/species/factsheet/chocolate-vented-tyrant-neoxolmis-rufiventris on 23/11/2024.
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 23/11/2024.