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: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2018 | Least Concern | |
2016 | Least Concern | |
2012 | Least Concern | |
2009 | Least Concern | |
2008 | Least Concern | |
2004 | Least Concern | |
2000 | Lower Risk/Least Concern | |
1994 | Lower Risk/Least Concern | |
1988 | Lower Risk/Least Concern |
Migratory status | not a migrant | Forest dependency | medium |
Land-mass type | Average mass | 15 g |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 4,700,000 km2 | medium |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | unknown | - | - | - |
Population trend | stable | - | suspected | - |
Rate of change over the future 10 years/3 generations (longer of the two periods) | 1-25% | - | - | - |
Generation length | 3.6 years | - | - | - |
Population justification: The global population size has not been quantified, but this species is described as 'uncommon' (Stotz et al. 1996).
Trend justification:
The species is suspected to be stable in the absence of evidence for any declines or substantial threats.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Bolivia | extant | native | yes | |||
Brazil | extant | native | yes | |||
Colombia | extant | native | yes | |||
Ecuador | extant | native | yes | |||
Guyana | extant | native | yes | |||
Peru | extant | native | yes | |||
Venezuela | extant | native | yes |
Country/Territory | IBA Name |
---|
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Artificial/Terrestrial | Pastureland | suitable | resident |
Artificial/Terrestrial | Subtropical/Tropical Heavily Degraded Former Forest | suitable | resident |
Forest | Subtropical/Tropical Moist Lowland | suitable | resident |
Forest | Subtropical/Tropical Moist Montane | major | resident |
Shrubland | Subtropical/Tropical Dry | suitable | resident |
Shrubland | Subtropical/Tropical High Altitude | suitable | resident |
Altitude | 650 - 3100 m | Occasional altitudinal limits |
Recommended citation
BirdLife International (2024) Species factsheet: Rufous-tailed Tyrant Knipolegus poecilurus. Downloaded from
https://datazone.birdlife.org/species/factsheet/rufous-tailed-tyrant-knipolegus-poecilurus on 05/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 05/12/2024.