IUCN Red List Criteria
| Near Threatened (criteria nearly met) |
A2c+3c+4c |
IUCN Red List history
| Year |
Category |
| 2012 |
Near Threatened |
| 2008 |
Near Threatened |
| 2004 |
Near Threatened |
| 2000 |
Lower Risk/Near Threatened |
| 1994 |
Lower Risk/Near Threatened |
| 1988 |
Threatened |
Species attributes
| Migratory status |
full migrant |
Forest dependency |
Does not normally occur in forest |
| Land mass type |
continent
|
Average mass |
6.2 g
|
Distribution
| |
Estimate |
Data quality |
| Extent of Occurrence breeding/resident (km2) |
195,000 |
medium |
| Number of locations |
|
- |
| Fragmentation |
|
- |
Population & trend
| |
Estimate |
Data quality |
Derivation |
Year of estimate |
| No. of mature individuals |
Unknown |
not applicable |
Not Applicable |
0 |
| Population trend |
Decreasing |
|
|
- |
| Number of subpopulations |
|
- |
- |
- |
| Largest subpopulation |
|
- |
- |
- |
| Generation length (yrs) |
3.6 |
- |
- |
- |
|
Population justification: The global population size has not been quantified, but this species is described as 'uncommon and patchily distributed' (Stotz et al. 1996). |
|
Trend justification: The population is suspected to be in decline owing to ongoing habitat destruction. |
Country/Territory distribution
| Country/Territory |
Occurrence status |
Extinct |
Breeding |
Non-breeding |
Passage |
| Argentina |
Native |
No |
Yes |
|
|
| Bolivia |
Native |
No |
Yes |
|
|
| Brazil |
Native |
No |
Yes |
|
|
| Colombia |
Native |
No |
Yes |
|
|
| French Guiana |
Native |
No |
Yes |
|
|
| Guyana |
Native |
No |
Yes |
|
|
| Paraguay |
Native |
No |
Yes |
|
|
| Suriname |
Native |
No |
Yes |
|
|
| Uruguay |
Native |
No |
Yes |
|
|
| Venezuela |
Native |
No |
Yes |
|
|
Important Bird Areas where this species has triggered the IBA criteria
| Country/Territory |
IBA Name |
IBA link |
| Argentina |
Bañado de Añatuya |
 |
| Argentina |
Bañado La Estrella Este |
 |
| Argentina |
Bañado La Estrella Oeste |
 |
| Argentina |
Bañados de Figueroa |
 |
| Argentina |
Bañados del Río Saladillo |
 |
| Argentina |
Bajos Submeridionales |
 |
| Argentina |
Campo San Juan |
 |
| Argentina |
Ceibas |
 |
| Argentina |
Concepción-Chavarría |
 |
| Argentina |
Cuenca del río Aguapey |
 |
| Argentina |
Cuenca del Río Salado |
 |
| Argentina |
El Cachapé |
 |
| Argentina |
Estancia La Leonor |
 |
| Argentina |
Estancia Mora Cué y alrededores |
 |
| Argentina |
Estancia Puerto Valle |
 |
| Argentina |
Estancia San Juan Poriahú |
 |
| Argentina |
Estero Tapenagá |
 |
| Argentina |
Islas de Victoria |
 |
| Argentina |
Laguna de Pradere |
 |
| Argentina |
Lagunas San Miguel y El Sauce |
 |
| Argentina |
Lomada de San Alonso |
 |
| Argentina |
Nacientes de los riachos Monte Lindo y Tatú Piré |
 |
| Argentina |
Nandubaysal-El Potrero |
 |
| Argentina |
Parque Nacional Mburucuyá |
 |
| Argentina |
Parque Nacional Pre-Delta |
 |
| Argentina |
Pastizales de Ibicuy |
 |
| Argentina |
Perdices |
 |
| Argentina |
Región Estancia Oscuro |
 |
| Argentina |
Reserva de Uso Múltiple Bañados del Río Dulce y Laguna Mar Chiquita |
 |
| Argentina |
Reserva Ecológica Costanera Sur |
 |
| Argentina |
Reserva El Bagual |
 |
| Argentina |
Reserva Natural de Uso Múltiple Isla Martín García |
 |
| Argentina |
Reserva Natural Otamendi, Reserva Provincial Río Lujan y alrededores |
 |
| Argentina |
Reserva Natural Punta Lara |
 |
| Argentina |
Reserva Provincial de Usos Múltiples Federico Wildermuth |
 |
| Argentina |
Riacho Saladillo |
 |
| Argentina |
Rincón del Socorro-Iberá |
 |
| Argentina |
Sierras Australes de Buenos Aires |
 |
| Argentina |
Valle del río Paraguay-Paraná |
 |
| Argentina |
Valle Fluvial del Río Paraguay |
 |
| Argentina |
Villa Iris, Chasicó, Napostá |
 |
| Bolivia |
Área Natural de Manejo Integrado San Matías |
 |
| Brazil |
Campo do Alto Marmelos |
 |
| Brazil |
Cânion do Guartelá |
 |
| Brazil |
Itirapina |
 |
| Brazil |
Parque Nacional das Emas |
 |
| Brazil |
Rios Negro e Aquidauana |
 |
| Brazil |
Savanas do Amapá |
 |
| Brazil |
Savanas do Rio Cotingo |
 |
| Colombia |
Cuenca del Río Toche |
 |
| Colombia |
Reserva Forestal Yotoco |
 |
| French Guiana |
Savanes Trou Poissons, Brigandin, Corrossony |
 |
| Guyana |
Ireng River |
 |
| Paraguay |
Estancias Golondrina - El Trébol |
 |
| Paraguay |
Parque Nacional Defensores del Chaco |
 |
| Paraguay |
Parque Nacional San Rafael |
 |
| Paraguay |
Parque Nacional Tinfunqué - Estero Patiño |
 |
| Suriname |
Sipaliwini Nature Reserve |
 |
| Venezuela |
Monumento Natural Tepui Roraima |
 |
| Venezuela |
Monumento Natural Tepui Yavi |
 |
| Venezuela |
Parque Nacional Canaima |
 |
Habitats & altitude
| Habitat (level 1) |
Habitat (level 2) |
Importance |
Occurrence |
| Grassland |
Subtropical/Tropical Dry |
major |
non-breeding |
| Grassland |
Subtropical/Tropical Dry |
major |
breeding |
| Grassland |
Subtropical/Tropical Seasonally Wet/Flooded |
major |
non-breeding |
| Grassland |
Subtropical/Tropical Seasonally Wet/Flooded |
major |
breeding |
| Savanna |
Dry |
major |
non-breeding |
| Savanna |
Dry |
major |
breeding |
|
Altitude
|
0 - 1300 m
|
Occasional altitudinal limits
|
|
Threats & impact
| Threat (level 1) |
Threat (level 2) |
Impact and Stresses |
| Agriculture & Aquaculture |
Annual & perennial non-timber crops / Agro-industry farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Majority (50-90%) |
Slow, Significant Decline |
Medium Impact: |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Agriculture & Aquaculture |
Annual & perennial non-timber crops / Scale Unknown/Unrecorded |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Majority (50-90%) |
Slow, Significant Decline |
Medium Impact: |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Agriculture & Aquaculture |
Livestock farming & ranching / Small-holder grazing, ranching or farming |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
| Natural system modifications |
Fire & fire suppression / Increase in fire frequency/intensity |
Timing |
Scope |
Severity |
Impact |
| Ongoing |
Minority (<50%) |
Slow, Significant Decline |
Low Impact: 5 |
| Stresses |
| Ecosystem degradation, Ecosystem conversion |
|
Recommended citation
BirdLife International (2013) Species factsheet: Polystictus pectoralis. Downloaded from
http://www.birdlife.org on 24/05/2013.
Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 24/05/2013.
This information is based upon, and updates, the information published in BirdLife International (2000)
Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004)
Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.
To provide new information to update this factsheet or to correct any errors, please email BirdLife
To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.