Taxonomic source(s)
Brooke, M. de L. 2004. Albatrosses and Petrels Across the World. Oxford University Press, Oxford.
Christidis, L. and Boles, W.E. 2008. Systematics and Taxonomy of Australian Birds. CSIRO Publishing, Collingwood, Australia.
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.
Turbott, E.G. 1990. Checklist of the Birds of New Zealand. Ornithological Society of New Zealand, Wellington.
Critically Endangered | Endangered | Vulnerable |
---|---|---|
- | - | D2 |
Year | Category | Criteria |
---|---|---|
2018 | Vulnerable | D2 |
2016 | Vulnerable | D2 |
2012 | Vulnerable | D2 |
2010 | Vulnerable | D2 |
2008 | Vulnerable | D2 |
2006 | Vulnerable | |
2004 | Vulnerable | |
2000 | Vulnerable | |
1996 | Vulnerable | |
1994 | Vulnerable | |
1988 | Lower Risk/Least Concern |
Migratory status | full migrant | Forest dependency | does not normally occur in forest |
Land-mass type | Average mass | - |
Estimate | Data quality | |
---|---|---|
Extent of Occurrence (breeding/resident) | 75,800,000 km2 | medium |
Area of Occupancy (breeding/resident) | 1 km2 | medium |
Number of locations | 2-3 | - |
Severely fragmented? | no | - |
Estimate | Data quality | Derivation | Year of estimate | |
---|---|---|---|---|
Population size | 100000 mature individuals | medium | unknown | 1988 |
Population trend | increasing | poor | suspected | - |
Generation length | 15.6 years | - | - | - |
Number of subpopulations | 1 | - | - | - |
Percentage of mature individuals in largest subpopulation | 100% | - | - | - |
Population justification: The total population has been estimated at c.100,000 mature individuals (1988), roughly equivalent to 150,000 total individuals.
Trend justification: The population is thought to be increasing (Brooke 2004).
Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
---|---|---|---|---|---|---|
American Samoa | extant | native | yes | |||
Australia | extant | native | yes | |||
Cook Islands | extant | native | yes | |||
Fiji | extant | native | yes | |||
French Polynesia | extant | native | yes | |||
French Southern Territories | extant | uncertain | ||||
Guam (to USA) | extant | native | yes | |||
Japan | extant | native | yes | |||
Kiribati | extant | uncertain | ||||
Marshall Islands | extant | uncertain | ||||
Mexico | extant | native | yes | |||
Micronesia, Federated States of | extant | native | yes | |||
Nauru | extant | uncertain | ||||
New Caledonia (to France) | extant | native | yes | |||
New Zealand | extant | native | yes | |||
Niue (to New Zealand) | extant | native | yes | |||
Norfolk Island (to Australia) | extant | native | yes | |||
Northern Mariana Islands (to USA) | extant | native | yes | |||
Papua New Guinea | extant | uncertain | ||||
Samoa | extant | uncertain | ||||
Solomon Islands | extant | uncertain | ||||
Tokelau (to New Zealand) | extant | uncertain | ||||
Tonga | extant | uncertain | ||||
Tuvalu | extant | uncertain | ||||
United States Minor Outlying Islands (to USA) | extant | native | yes | |||
USA | extant | native | yes | |||
Vanuatu | extant | native | yes | |||
Wallis and Futuna Islands (to France) | extant | native | yes |
Country/Territory | IBA Name |
---|---|
New Zealand | Kermadec (offshore) |
New Zealand | Macauley & Haszard Islands |
Norfolk Island (to Australia) | Norfolk Island / Phillip Island - Marine |
Norfolk Island (to Australia) | Phillip Island (Norfolk Island) |
Vanuatu | Vanua Lava Marine |
Vanuatu | Vanua Lava, Mount Sereama |
Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
---|---|---|---|
Grassland | Subtropical/Tropical Seasonally Wet/Flooded | major | breeding |
Marine Neritic | Pelagic | major | non-breeding |
Marine Neritic | Pelagic | major | breeding |
Marine Oceanic | Epipelagic (0-200m) | major | non-breeding |
Marine Oceanic | Epipelagic (0-200m) | major | breeding |
Rocky areas (eg. inland cliffs, mountain peaks) | major | breeding | |
Altitude | 0 - 50 m | 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 | Minority (<50%) | Unknown | Past Impact | ||||||
|
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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 - Capra hircus | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Majority (50-90%) | Unknown | Past Impact | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Felis catus | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Rapid Declines | Medium Impact: 6 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Oryctolagus cuniculus | Timing | Scope | Severity | Impact | ||||
Past, Unlikely to Return | Minority (<50%) | Slow, Significant Declines | Past Impact | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Rattus exulans | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | No decline | Low Impact: 4 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Rattus norvegicus | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Sus domesticus | Timing | Scope | Severity | Impact | ||||
Ongoing | Minority (<50%) | Slow, Significant Declines | Low Impact: 5 | ||||||
|
|||||||||
Invasive and other problematic species, genes & diseases | Problematic native species/diseases - Unspecified species | Timing | Scope | Severity | Impact | ||||
Ongoing | Majority (50-90%) | Unknown | Unknown | ||||||
|
Recommended citation
BirdLife International (2024) Species factsheet: White-necked Petrel Pterodroma cervicalis. Downloaded from
https://datazone.birdlife.org/species/factsheet/white-necked-petrel-pterodroma-cervicalis on 18/12/2024.
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 18/12/2024.