Data Zone
Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| C2a(i,ii); D | C2a(i,ii); D | C2a(i,ii); D1+2 |
| Year | Category | Criteria |
|---|---|---|
| 2016 | Critically Endangered | C2a(i); D |
| 2013 | Critically Endangered | C2a(i);D |
| 2012 | Critically Endangered | C2a(i);D |
| 2010 | Critically Endangered | C2a(i); D1 |
| 2009 | Critically Endangered | C2a(i); D1 |
| 2008 | Critically Endangered | |
| 2004 | Critically Endangered | |
| 2000 | Critically Endangered | |
| 1996 | Endangered | |
| 1994 | Endangered | |
| 1988 | Lower Risk/Least Concern |
| Migratory status | not a migrant | Forest dependency | high |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 12 km2 | medium |
| Number of locations | 2-5 | - |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 1-49 mature individuals | poor | estimated | 2000 |
| Population trend | decreasing | poor | suspected | 2000-2010 |
| Generation length | 5.4 years | - | - | - |
| Number of subpopulations | 2-100 | - | - | - |
Population justification: The population is assumed to be tiny (fewer than 50 individuals and mature individuals), with just a single possible record (in 1998) since 1960.
Trend justification: The population is suspected to be in decline owing to predation by invasive species.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| New Caledonia (to France) | extant | native | yes |
| Country/Territory | IBA Name |
|---|---|
| New Caledonia (to France) | Massifs du Grand Sud - entre le mont Humboldt et la rivière Bleue |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | major | resident |
| Forest | Subtropical/Tropical Moist Montane | suitable | resident |
| Altitude | 0 - 800 m | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Biological resource use | Logging & wood harvesting - Unintentional effects: (subsistence/small scale) [harvest] | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
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| Energy production & mining | Mining & quarrying | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Felis catus | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Named species | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
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| Natural system modifications | Fire & fire suppression - Increase in fire frequency/intensity | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
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Recommended citation
BirdLife International (2024) Species factsheet: New Caledonian Owlet-nightjar Aegotheles savesi. Downloaded from
https://datazone.birdlife.org/species/factsheet/new-caledonian-owlet-nightjar-aegotheles-savesi on 22/11/2024.
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 22/11/2024.