NT
Southern Bristle-tyrant Pogonotriccus eximius



Taxonomy

Taxonomic note
Pogonotriccus eximius (del Hoyo and Collar 2016) was previously listed as Phylloscartes eximius.

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. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2016 Near Threatened A2c+3c+4c
2012 Near Threatened A2c+3c+4c
2008 Near Threatened A2c; A3c; A4c
2004 Near Threatened
2000 Lower Risk/Near Threatened
1994 Lower Risk/Near Threatened
1988 Near Threatened
Species attributes

Migratory status not a migrant Forest dependency high
Land-mass type Land-mass type - continent
Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,170,000 medium
Severely fragmented? no -
Population and trend
Value Data quality Derivation Year of estimate
Number of mature individuals unknown not applicable not applicable 0
Population trend decreasing poor suspected 1998-2008
Decline % (10 years/3 generations future) 20-29 - - -
Decline % (10 years/3 generations past and future) 20-29 - - -
Percentage in largest subpopulation 100 - - -
Generation length (years) 3.6 - - -

Population justification: The global population size has not been quantified, but this species is described as 'fairly common' (Stotz et al. (1996).

Trend justification: A moderately rapid and on-going decline is suspected owing to habitat loss.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
Argentina extant native yes
Brazil extant native yes
Paraguay extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Argentina Parque Nacional Iguazú y alrededores
Argentina Parque Provincial Urugua-í
Argentina Parque Provincial Uruzú y Reserva Forestal San Jorge
Argentina Corredor Urugua-í Foerster
Argentina Parque Provincial Guardaparque Horacio Foerster
Argentina San Antonio
Argentina Sierra Morena
Argentina Alta cuenca del arroyo Alegría
Argentina San Pedro
Argentina Reserva Privada Yaguaroundí
Argentina Parque Provincial Piñalito y alrededores
Argentina Reserva de la Biósfera Yabotí
Argentina Campo Viera y Campo Ramón
Argentina Cerro Mártires y Barra Santa María
Argentina Parque Provincial Cruce Caballero
Paraguay Tapyta
Paraguay Ka'aguy Rory
Paraguay Paso Curuzú
Paraguay Bosque Mbaracayú
Paraguay Morombi
Paraguay Serranías de San Joaquín
Paraguay Ybyturuzú
Paraguay Estancia Itabó
Paraguay Ypeti
Paraguay Limoy
Paraguay Reserva Itabó - Itaipú
Paraguay Parque Nacional Caazapá
Paraguay Parque Nacional San Rafael
Paraguay Estancia Muxfeldt
Brazil Serra da Canastra
Brazil Parque Estadual do Desengano e Entorno
Brazil Parque Nacional do Iguaçu
Brazil Salto do Piraí
Brazil Serra da Cantareira
Brazil Parque Nacional de Itatiaia
Brazil Parque Estadual do Turvo

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major resident
Forest Subtropical/Tropical Moist Montane suitable resident
Forest Temperate suitable resident
Altitude 0 - 600 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%) Unknown Unknown
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Wood & pulp plantations - Agro-industry plantations Timing Scope Severity Impact
Past, Likely to Return Minority (<50%) Slow, Significant Declines Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion
Energy production & mining Mining & quarrying Timing Scope Severity Impact
Past, Likely to Return Majority (50-90%) Unknown Past Impact
Stresses
Ecosystem degradation, Ecosystem conversion
Residential & commercial development Commercial & industrial areas Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion
Transportation & service corridors Roads & railroads Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Ecosystem conversion

Recommended citation
BirdLife International (2023) Species factsheet: Pogonotriccus eximius. Downloaded from http://datazone.birdlife.org/species/factsheet/southern-bristle-tyrant-pogonotriccus-eximius on 21/09/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 21/09/2023.