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: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | A2c+3c+4c |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Vulnerable | A2c+3c+4c |
| 2012 | Vulnerable | A2c+3c+4c |
| 2008 | Vulnerable | A2c; A3c; A4c |
| 2004 | Vulnerable | |
| 2000 | Lower Risk/Near Threatened | |
| 1994 | Lower Risk/Near Threatened | |
| 1988 | Threatened |
| Migratory status | not a migrant | Forest dependency | does not normally occur in forest |
| Land mass type |
land-mass type - continent |
Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence breeding/resident (km2) | 4,310,000 | medium |
| Number of locations | - | |
| Severely Fragmented | - |
| Value | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| No. of mature individuals | 10000-19999 | poor | suspected | 2008 |
| Population trend | decreasing | poor | suspected | - |
| Decline (3 years/1 generation past) | - | - | - | |
| Decline (5 years/1 generation past) | - | - | - | |
| Decline (10 years/1 generation past) | - | - | - | |
| Decline (10 years/3 generation future) | 30-49 | - | - | - |
| Decline (10 years/3 generation past and future) | 30-49 | - | - | - |
| Number of subpopulations | - | - | - | |
| Percentage in largest subpopulation | 100 | - | - | - |
| 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 | Presence | Origin | Resident | Breeding | Non-breeding | Passage |
|---|---|---|---|---|---|---|
| Argentina | extant | native | yes | |||
| Bolivia | extant | native | yes | |||
| Brazil | extant | native | yes | |||
| Paraguay | extant | native | yes | |||
| Uruguay | extant | native | yes |
| 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 |
| 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 Declines | Medium Impact: 6 | ||||||
|
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| Agriculture & aquaculture | Livestock farming & ranching - Agro-industry grazing, ranching or farming | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Agriculture & aquaculture | Wood & pulp plantations - Scale Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Slow, Significant Declines | Medium Impact: 6 | ||||||
|
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| Natural system modifications | Fire & fire suppression - Trend Unknown/Unrecorded | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
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Recommended citation
BirdLife International (2023) Species factsheet: Culicivora caudacuta. Downloaded from
http://datazone.birdlife.org/species/factsheet/sharp-tailed-tyrant-culicivora-caudacuta on 06/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 06/06/2023.
