Taxonomic note
Zapornia astrictocarpus (del Hoyo and Collar 2014) was previously placed in the genus Porzana. Monotypic.
Taxonomic source(s)
Handbook of the Birds of the World and BirdLife International. 2023. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 8. Available at: https://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v8_Dec23.zip.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | - |
Year | Category | Criteria |
---|---|---|
2024 | Extinct | |
2016 | Extinct | |
2012 | Extinct | |
2008 | Extinct | |
2004 | Extinct | |
2000 | Extinct | |
1994 | Extinct | |
1988 | Extinct |
Migratory status | not a migrant | Forest dependency | unknown |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | unknown | - | - | - |
Population trend | - | - | - | |
Generation length | 2.56 years | - | - | - |
Population justification: No extant population remains.
Trend justification: Little is known about this species. It is known only from subfossil bones, and became extinct sometime after 1502, likely a few decades after human settlement due to deforestation, over-hunting and introduced animals (Hume 2017).
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
St Helena (to UK) | extinct | native | yes |
Country/Territory | IBA Name |
---|
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Unknown | suitable | resident | |
Altitude | Occasional altitudinal limits |
Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
---|---|---|---|---|---|---|---|---|---|
Biological resource use | Hunting & trapping terrestrial animals - Intentional use (species is the target) | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Unknown | Unknown | Past Impact | ||||||
|
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Biological resource use | Logging & wood harvesting - Unintentional effects: (large scale) [harvest] | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Unknown | Unknown | Past Impact | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Unspecified species | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Unknown | Unknown | Past Impact | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Problematic native species/diseases | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Unknown | Unknown | Past Impact | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: Saint Helena Crake Zapornia astrictocarpus. Downloaded from
https://datazone.birdlife.org/species/factsheet/saint-helena-crake-zapornia-astrictocarpus on 22/12/2024.
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 22/12/2024.