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 |
---|---|---|
2022 | Least Concern | |
2016 | Least Concern | |
2012 | Least Concern | |
2009 | Least Concern | |
2008 | Least Concern | |
2007 | Least Concern | |
2004 | Not Recognised | |
2000 | Not Recognised | |
1994 | Not Recognised | |
1988 | Not Recognised |
Migratory status | not a migrant | Forest dependency | high |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 30,900 km2 | medium |
Area of Occupancy (breeding/resident) | 17,800 km2 | |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | 40000-180000 mature individuals | medium | estimated | 2021 |
Population trend | decreasing | - | inferred | 2016-2026 |
Rate of change over the past 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
Rate of change over the future 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
Rate of change over the past & future 10 years/3 generations (longer of the two periods) | 10-19% | - | - | - |
Generation length | 3.21 years | - | - | - |
Number of subpopulations | 5-100 | - | - | - |
Percentage of mature individuals in largest subpopulation | 1-89% | - | - | - |
Population justification: The species is described as fairly common in remnants of unspoilt habitat (Restall et al. 2006). Based on observed densities of 30-140 individuals/km2 (Cuervo et al. 2005) and tentatively assuming the species occupies 25% of forests with at least 75% canopy density within its range (i.e. 2,000 km2; Global Forest Watch 2021), the population may number 60,000-280,000 individuals. This roughly equates to 40,000-180,000 mature individuals.
Trend justification: The species is feared to be in decline due to the loss and fragmentation of its habitat (Renjifo et al. 2014).
Within the range, tree cover is lost at a rate of 5% over ten years (Global Forest Watch 2021, using Hansen et al. [2013] data and methods disclosed therein). As this species is restricted to large patches of mature forest with a dense understory, population declines are likely exacerbated by habitat degradation. Tentatively, population declines are therefore placed in the band 10-19% over ten years.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Colombia | extant | native | yes |
Country/Territory | IBA Name |
---|
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Forest | Subtropical/Tropical Moist Montane | major | resident |
Altitude | 1400 - 2200 m | Occasional altitudinal limits | (max) 3000 m |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Agriculture & aquaculture | Annual & perennial non-timber crops - Small-holder farming | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
Agriculture & aquaculture | Livestock farming & ranching - Small-holder grazing, ranching or farming | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
Agriculture & aquaculture | Wood & pulp plantations - Small-holder plantations | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Stiles's Tapaculo Scytalopus stilesi. Downloaded from
https://datazone.birdlife.org/species/factsheet/stiless-tapaculo-scytalopus-stilesi on 23/12/2024.
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 23/12/2024.