Data Zone
Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: #http://www.aerc.eu/DOCS/Bird_taxa_of _the_WP15.xls#.
Brooke, M. de L. 2004. Albatrosses and Petrels Across the World. Oxford University Press, Oxford.
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.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.
| 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 | |
| 1994 | Not Recognised | |
| 1988 | Not Recognised |
| 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) | 139,000,000 km2 | medium |
| Area of Occupancy (breeding/resident) | 11 km2 | medium |
| Number of locations | 2 | - |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 2260 mature individuals | poor | suspected | 2008 |
| Population trend | stable | poor | suspected | 1965-2010 |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 0% | - | - | - |
| Generation length | 15.6 years | - | - | - |
| Number of subpopulations | 2 | - | - | - |
Population justification: Luigi et al. (2008) have revised the previous population estimate of 15,000 individuals globally (Brooke 2004) to just 1,130 breeding pairs.
Trend justification: The species is presumed to be stable as there are no current major threats.
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Argentina | extant | vagrant | ||||
| Brazil | extant | native | yes | |||
| High Seas | extant | native | yes | |||
| Mauritius | extant | native | yes | |||
| Portugal | extant | vagrant | ||||
| Puerto Rico (to USA) | extant | vagrant |
| Country/Territory | IBA Name |
|---|---|
| Brazil | Trindade e Martim Vaz |
| High Seas | Indian Ocean, Western 31 - Marine |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Marine Coastal/Supratidal | Sea Cliffs and Rocky Offshore Islands | 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 | Occasional altitudinal limits |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Energy production & mining | Renewable energy | Timing | Scope | Severity | Impact | ||||
| Ongoing | Minority (<50%) | Unknown | Unknown | ||||||
|
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| 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%) | Slow, Significant Declines | Past Impact | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Felis catus | Timing | Scope | Severity | Impact | ||||
| Past, Likely to Return | Majority (50-90%) | Rapid Declines | Past Impact | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Mus musculus | Timing | Scope | Severity | Impact | ||||
| Ongoing | Majority (50-90%) | No decline | Low Impact: 5 | ||||||
|
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| Invasive and other problematic species, genes & diseases | Invasive non-native/alien species/diseases - Sus domesticus | Timing | Scope | Severity | Impact | ||||
| Past, Unlikely to Return | Majority (50-90%) | Slow, Significant Declines | Past Impact | ||||||
|
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| Residential & commercial development | Commercial & industrial areas | Timing | Scope | Severity | Impact | ||||
| Future | Minority (<50%) | Slow, Significant Declines | Low Impact: 3 | ||||||
|
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Recommended citation
BirdLife International (2023) Species factsheet: Pterodroma arminjoniana. Downloaded from
http://datazone.birdlife.org/species/factsheet/trindade-petrel-pterodroma-arminjoniana on 29/11/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 29/11/2023.
