Taxonomic note
Cinclodes antarcticus and C. maculirostris (del Hoyo and Collar 2016) were previously lumped as C. antarcticus following SACC (2005 & updates), Sibley & Monroe (1990, 1993) and Stotz et al. (1996).
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.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2021 | Near Threatened | A2ace+3ce+4ace |
2016 | Near Threatened | A2e+3e+4e |
2012 | Not Recognised | |
2008 | Not Recognised | |
2004 | Not Recognised | |
2000 | Not Recognised | |
1994 | Not Recognised | |
1988 | Not Recognised |
Migratory status | not a migrant | Forest dependency | does not normally occur in forest |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 42,700 km2 | medium |
Number of locations | 11-100 | - |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | 3000-19000 mature individuals | poor | suspected | 2020 |
Population trend | decreasing | - | inferred | 2015-2026 |
Rate of change over the past 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
Rate of change over the future 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
Rate of change over the past & future 10 years/3 generations (longer of the two periods) | 20-29% | - | - | - |
Generation length | 3.6 years | - | - | - |
Number of subpopulations | 2-100 | - | - | - |
Percentage of mature individuals in largest subpopulation | 1-89% | - | - | - |
Population justification: The global population size has not been quantified directly, but this species is described as 'fairly common' (Stotz et al. 1996). Based on an observed population density of congeners in Argentina (C. fuscus: 6-26 individuals/km2; C. oustaleti: individuals/km2; C. patagonicus: 4-20 individuals/km2; Santini et al. 2018) and assuming that only 10% of the mapped range is occupied to account for its sensitivity to introduced predators, the population may number 4,400-28,600 individuals, which roughly equates to 3,000-19,000 mature individuals.
Based on observational records (per eBird 2020), it is assumed that the species forms several disjunct subpopulations.
Trend justification: The population trend has not been quantified directly, but it is assumed that the species used to be more widespread (del Hoyo et al. 2020). The decline is likely caused by predation by invasive mammals, and the species is now largely restricted to predator-free islands (del Hoyo et al. 2003, 2020).
The rate of decline is tentatively placed in the band 20-29% over three generations (10.8 years). There is no indication of a decrease in threats, and hence the decline is assumed to go on at this rate into the future.
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
Argentina | extant | native | yes | |||
Chile | extant | native | yes |
Country/Territory | IBA Name |
---|---|
Argentina | PenĂnsula Mitre |
Chile | Parque Nacional Cabo de Hornos |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | major | resident |
Marine Intertidal | Rocky Shoreline | major | resident |
Marine Intertidal | Tidepools | major | resident |
Altitude | 0 - 100 m | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Climate change & severe weather | Habitat shifting & alteration | Timing | Scope | Severity | Impact | ||||
Future | Whole (>90%) | Unknown | Unknown | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Felis catus | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Rapid Declines | Medium Impact: 7 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Named species | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Rapid Declines | Medium Impact: 7 | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Black Cinclodes Cinclodes maculirostris. Downloaded from
https://datazone.birdlife.org/species/factsheet/black-cinclodes-cinclodes-maculirostris on 24/12/2024.
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 24/12/2024.