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NT
Bearded Tachuri Polystictus pectoralis

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 Presence Breeding Non-breeding Passage Resident
Argentina Native Extant Yes      
Bolivia Native Extant Yes      
Brazil Native Extant Yes      
Colombia Native Extant Yes      
French Guiana Native Extant Yes      
Guyana Native Extant Yes      
Paraguay Native Extant Yes      
Suriname Native Extant Yes      
Uruguay Native Extant Yes      
Venezuela Native Extant Yes      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Argentina Bajos Submeridionales site factsheet
Argentina Bañado de Añatuya site factsheet
Argentina Bañado La Estrella Este site factsheet
Argentina Bañado La Estrella Oeste site factsheet
Argentina Bañados de Figueroa site factsheet
Argentina Bañados del Río Saladillo site factsheet
Argentina Campo San Juan site factsheet
Argentina Ceibas site factsheet
Argentina Concepción-Chavarría site factsheet
Argentina Cuenca del río Aguapey site factsheet
Argentina Cuenca del Río Salado site factsheet
Argentina El Cachapé site factsheet
Argentina Estancia La Leonor site factsheet
Argentina Estancia Mora Cué y alrededores site factsheet
Argentina Estancia Puerto Valle site factsheet
Argentina Estancia San Juan Poriahú site factsheet
Argentina Estero Tapenagá site factsheet
Argentina Islas de Victoria site factsheet
Argentina Laguna de Pradere site factsheet
Argentina Lagunas San Miguel y El Sauce site factsheet
Argentina Lomada de San Alonso site factsheet
Argentina Nacientes de los riachos Monte Lindo y Tatú Piré site factsheet
Argentina Nandubaysal-El Potrero site factsheet
Argentina Parque Nacional Mburucuyá site factsheet
Argentina Parque Nacional Pre-Delta site factsheet
Argentina Pastizales de Ibicuy site factsheet
Argentina Perdices site factsheet
Argentina Región Estancia Oscuro site factsheet
Argentina Reserva de Uso Múltiple Bañados del Río Dulce y Laguna Mar Chiquita site factsheet
Argentina Reserva Ecológica Costanera Sur site factsheet
Argentina Reserva El Bagual site factsheet
Argentina Reserva Natural de Uso Múltiple Isla Martín García site factsheet
Argentina Reserva Natural Otamendi, Reserva Provincial Río Lujan y alrededores site factsheet
Argentina Reserva Natural Punta Lara site factsheet
Argentina Reserva Provincial de Usos Múltiples Federico Wildermuth site factsheet
Argentina Riacho Saladillo site factsheet
Argentina Rincón del Socorro-Iberá site factsheet
Argentina Sierras Australes de Buenos Aires site factsheet
Argentina Valle del río Paraguay-Paraná site factsheet
Argentina Valle Fluvial del Río Paraguay site factsheet
Argentina Villa Iris, Chasicó, Napostá site factsheet
Bolivia Área Natural de Manejo Integrado San Matías site factsheet
Brazil Campo do Alto Marmelos site factsheet
Brazil Cânion do Guartelá site factsheet
Brazil Itirapina site factsheet
Brazil Parque Nacional das Emas site factsheet
Brazil Rios Negro e Aquidauana site factsheet
Brazil Savanas do Amapá site factsheet
Brazil Savanas do Rio Cotingo site factsheet
Colombia Cuenca del Río Toche site factsheet
Colombia Reserva Forestal Yotoco site factsheet
French Guiana Savanes Trou Poissons, Brigandin, Corrossony site factsheet
Guyana Ireng River site factsheet
Paraguay Estancias Golondrina - El Trébol site factsheet
Paraguay Parque Nacional Defensores del Chaco site factsheet
Paraguay Parque Nacional San Rafael site factsheet
Paraguay Parque Nacional Tinfunqué - Estero Patiño site factsheet
Suriname Sipaliwini Nature Reserve site factsheet
Venezuela Monumento Natural Tepui Roraima site factsheet
Venezuela Monumento Natural Tepui Yavi site factsheet
Venezuela Parque Nacional Canaima site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subtropical/Tropical Dry major breeding
Grassland Subtropical/Tropical Dry major non-breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded major breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded major non-breeding
Savanna Dry major breeding
Savanna Dry major non-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: 6
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
Agriculture & aquaculture Wood & pulp plantations / Scale Unknown/Unrecorded Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
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

Recommended citation
BirdLife International (2014) Species factsheet: Polystictus pectoralis. Downloaded from http://www.birdlife.org on 26/12/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 26/12/2014.

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.

Key facts
Current IUCN Red List category Near Threatened
Family Tyrannidae (Tyrant-flycatchers)
Species name author (Vieillot, 1817)
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 195,000 km2
Country endemic? No
Links to further information
- Summary information on this species