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Henderson Petrel Pterodroma atrata

IUCN Red List Criteria

Critically Endangered  
Endangered B2ab(v) 
Vulnerable D2 

IUCN Red List history

Year Category
2012 Endangered
2010 Endangered
2008 Endangered
2007 Endangered
2006 Endangered
2004 Endangered
2000 Endangered
1994 Not Recognised
1988 Not Recognised

Species attributes

Migratory status full migrant Forest dependency High
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 7,130,000 medium
Area of Occupancy breeding/resident (km2) 41 medium
Number of locations 2-5 -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals medium Estimated 2004
Population trend Decreasing poor -
Number of subpopulations 1 - - -
Largest subpopulation - - -
Generation length (yrs) 15.6 - - -
Population justification: Brooke (2004).
Trend justification: The species is presumed to be declining as a result of predation by introduced mammals.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
French Polynesia Unknown Extant Yes      
Kiribati Unknown Extant        
Pitcairn Islands (to UK) Native Extant Yes      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Pitcairn Islands (to UK) Henderson Island site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major breeding
Marine Neritic Macroalgal/Kelp suitable breeding
Marine Neritic Macroalgal/Kelp suitable non-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 breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel suitable non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs suitable breeding
Marine Neritic Subtidal Rock and Rocky Reefs suitable non-breeding
Marine Neritic Subtidal Sandy suitable breeding
Marine Neritic Subtidal Sandy suitable non-breeding
Marine Neritic Subtidal Sandy-Mud suitable breeding
Marine Neritic Subtidal Sandy-Mud suitable non-breeding
Marine Oceanic Epipelagic (0-200m) major breeding
Marine Oceanic Epipelagic (0-200m) major non-breeding
Marine Oceanic Mesopelagic (200-1000m) major breeding
Marine Oceanic Mesopelagic (200-1000m) major non-breeding
Altitude 0 - 33 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Future Whole (>90%) Unknown Unknown
Stresses
Indirect ecosystem effects, Ecosystem degradation
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Domestic Cat (Felis catus) Timing Scope Severity Impact
Ongoing Whole (>90%) Slow, Significant Decline Medium Impact: 7
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Polynesian Rat (Rattus exulans) Timing Scope Severity Impact
Ongoing Whole (>90%) Slow, Significant Decline Medium Impact: 7
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Polynesian Rat (Rattus exulans) Timing Scope Severity Impact
Ongoing Whole (>90%) Slow, Significant Decline Medium Impact: 7
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Problematic native species/diseases Timing Scope Severity Impact
Ongoing Whole (>90%) Slow, Significant Decline Medium Impact: 7
Stresses
Reduced reproductive success

Recommended citation
BirdLife International (2014) Species factsheet: Pterodroma atrata. Downloaded from http://www.birdlife.org on 29/08/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 29/08/2014.

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, Shearwaters)
Species name author Mathews, 1912
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 7,130,000 km2
Country endemic? Yes
Links to further information
- Summary information on this species