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Sharp-tailed Tyrant Culicivora caudacuta

IUCN Red List Criteria

Critically Endangered  
Endangered  
Vulnerable A2c+3c+4c 

IUCN Red List history

Year Category
2012 Vulnerable
2008 Vulnerable
2004 Vulnerable
2000 Lower Risk/Near Threatened
1994 Lower Risk/Near Threatened
1988 Threatened

Species attributes

Migratory status not a migrant Forest dependency Does not normally occur in forest
Land mass type continent
Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 1,740,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals 10000-19999 poor Suspected 2008
Population trend Decreasing poor -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 3.6 - - -
Population justification: Although this species is rare and localised, it has a very large range, and numbers are likely to exceed 10,000 mature individuals. It is thus placed in the band 10,000-19,999 mature individuals, which equates to 15,000-29,999 individuals in total, rounded here to 15,000-30,000 individuals.
Trend justification: This species is suspected to be declining rapidly, in line with rates habitat loss within its range.

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      
Paraguay Native Extant Yes      
Uruguay Native Extant Yes      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Argentina Barra Concepción site factsheet
Argentina Campo San Juan site factsheet
Argentina Ceibas site factsheet
Argentina Cerro Mártires y Barra Santa María site factsheet
Argentina Concepción-Chavarría site factsheet
Argentina Cuenca del arroyo Garupá site factsheet
Argentina Cuenca del río Aguapey site factsheet
Argentina Cuña boscosa de Santa Fe site factsheet
Argentina El Cachapé site factsheet
Argentina Estancia Mora Cué y alrededores site factsheet
Argentina Estero Valenzuela site factsheet
Argentina Extremo noreste de Corrientes site factsheet
Argentina Parque Nacional Mburucuyá site factsheet
Argentina Reserva El Bagual site factsheet
Argentina Reserva Natural Rincón de Santa María site factsheet
Argentina Reserva Provincial de Usos Múltiples Federico Wildermuth site factsheet
Argentina Rincón del Socorro-Iberá site factsheet
Bolivia Apolo site factsheet
Bolivia Este de Río Mamoré site factsheet
Bolivia Loreto site factsheet
Bolivia Noel Kempff Mercado site factsheet
Bolivia Oeste de Río Mamoré site factsheet
Brazil Campos de Humaitá-Lábrea site factsheet
Brazil Campos Gerais do Paraná site factsheet
Brazil Cerrados ao Sul de Brasília site factsheet
Brazil Estação Ecológica de Águas Emendadas site factsheet
Brazil Estação Ecológica Serra das Araras site factsheet
Brazil Itirapina site factsheet
Brazil Jaguariaíva site factsheet
Brazil Jalapão site factsheet
Brazil Lizarda site factsheet
Brazil Parque Estadual da Serra do Mar (entre Santos e São Sebastião) site factsheet
Brazil Parque Nacional da Chapada dos Veadeiros e Adjacências site factsheet
Brazil Parque Nacional das Emas site factsheet
Brazil Parque Nacional de Brasília site factsheet
Brazil Rio Arrojado site factsheet
Brazil Serra da Canastra site factsheet
Brazil Várzeas da Região Metropolitana de Curitiba site factsheet
Paraguay Arroyo Tagatiya site factsheet
Paraguay Bosque Mbaracayú site factsheet
Paraguay Cerrado de Laguna Blanca site factsheet
Paraguay Cerrados de Concepción site factsheet
Paraguay Estancia La Rafaela site factsheet
Paraguay Estancia Sombrero site factsheet
Paraguay Estero Ñu Guazú - General Artigas site factsheet
Paraguay Estero San José site factsheet
Paraguay Isla Yacyretá site factsheet
Paraguay Morombi site factsheet
Paraguay Parque Nacional San Rafael site factsheet
Paraguay San Miguel Potrero site factsheet
Paraguay Tapyta site factsheet
Paraguay Yabebyry site factsheet
Uruguay North "Quebradas" and grasslands site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subtropical/Tropical Dry major resident
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable resident
Savanna Dry major resident
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable resident
Wetlands (inland) Shrub Dominated Wetlands suitable resident
Altitude 0 - 1400 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops / Scale Unknown/Unrecorded Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
Stresses
Ecosystem degradation, Ecosystem conversion
Agriculture & aquaculture Livestock farming & ranching / Agro-industry grazing, ranching or farming Timing Scope Severity Impact
Ongoing Majority (50-90%) Slow, Significant Decline Medium Impact: 6
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 / Trend Unknown/Unrecorded Timing Scope Severity Impact
Ongoing Majority (50-90%) Unknown Unknown
Stresses
Ecosystem degradation

Recommended citation
BirdLife International (2014) Species factsheet: Culicivora caudacuta. Downloaded from http://www.birdlife.org on 28/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 28/07/2014.

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 Vulnerable
Family Tyrannidae (Tyrant-flycatchers)
Species name author (Vieillot, 1818)
Population size 10000-19999 mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 1,740,000 km2
Country endemic? No
Links to further information
- Summary information on this species