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Atlantic Petrel Pterodroma incerta

IUCN Red List Criteria

Critically Endangered  
Endangered B2ab(v) 
Vulnerable A2e+3e;D2 

IUCN Red List history

Year Category
2012 Endangered
2010 Endangered
2008 Endangered
2007 Vulnerable
2006 Vulnerable
2004 Vulnerable
2000 Vulnerable
1996 Vulnerable
1994 Vulnerable
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency Does not normally occur in forest
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 15,700,000 medium
Area of Occupancy breeding/resident (km2) 64 good
Number of locations 2 -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals medium Estimated 2001
Population trend Decreasing poor -
Number of subpopulations 1 - - -
Largest subpopulation - - -
Generation length (yrs) 15.6 - - -
Population justification: On Gough, Cuthbert in litt. (2001) estimated 1.8 million breeding pairs, suggesting a world population of around 5 million birds.
Trend justification: R. Wanless in litt. (2007) has commented that population models using data (except breeding success) from Bermuda Petrel Pterodroma cahow suggest the populaiton is declining at a rate of 1.3% per annum.

Country/Territory distribution

Country/Territory Occurrence status Extinct Breeding Non-breeding Passage
Antarctica Vagrant No      
Argentina Native No   Yes  
Brazil Native No   Yes  
Falkland Islands (Malvinas) Native No   Yes  
Israel Vagrant No      
Jordan Vagrant No      
Namibia Native No   Yes  
South Africa Native No   Yes  
South Georgia & the South Sandwich Islands Vagrant No      
St Helena (to UK) Native No Yes    
Uruguay Native No   Yes  

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
St Helena (to UK) Gough Island site factsheet
St Helena (to UK) Tristan da Cunha site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Neritic Macroalgal/Kelp suitable non-breeding
Marine Neritic Macroalgal/Kelp suitable breeding
Marine Neritic Pelagic major breeding
Marine Neritic Pelagic major non-breeding
Marine Neritic Seagrass (Submerged) suitable breeding
Marine Neritic Seagrass (Submerged) suitable non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel suitable non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel suitable breeding
Marine Neritic Subtidal Rock and Rocky Reefs suitable non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs suitable breeding
Marine Neritic Subtidal Sandy suitable breeding
Marine Neritic Subtidal Sandy suitable non-breeding
Marine Neritic Subtidal Sandy-Mud suitable non-breeding
Marine Neritic Subtidal Sandy-Mud suitable breeding
Marine Oceanic Epipelagic (0-200m) major breeding
Marine Oceanic Epipelagic (0-200m) major non-breeding
Shrubland Temperate major breeding
Altitude 50 - 600 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species mortality
Transportation & service corridors Shipping lanes Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
Biological resource use Hunting & trapping terrestrial animals / Intentional use (species is the target) Timing Scope Severity Impact
Past, Unlikely to Return Minority (<50%) Negligible declines Past Impact
Stresses
Species mortality
Invasive non-native/alien species/diseases Problematic native species/diseases Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Species mortality
Invasive non-native/alien species/diseases Invasive non-native/alien species/diseases / House Mouse (Mus musculus) Timing Scope Severity Impact
Ongoing Whole (>90%) Slow, Significant Decline Medium Impact:
Stresses
Reduced reproductive success
Invasive non-native/alien species/diseases Invasive non-native/alien species/diseases / Polynesian rat (Rattus exulans) Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Reduced reproductive success

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Food (human) Whole Adults and juveniles Wild Subsistence, National Non-trivial Recent

Recommended citation
BirdLife International (2013) Species factsheet: Pterodroma incerta. Downloaded from http://www.birdlife.org on 20/06/2013. Recommended citation for factsheets for more than one species: BirdLife International (2013) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 20/06/2013.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Endangered
Family Procellariidae (Petrels and shearwaters)
Species name author (Schlegel, 1863)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 15,700,000 km2
Country endemic? Yes
Links to further information
- Summary information on this species