email a friend
printable version
NT
Mottled Petrel Pterodroma inexpectata

IUCN Red List Criteria

Near Threatened (criteria nearly met) A2e+3e+4e; B2ab(iv); D2 

IUCN Red List history

Year Category
2013 Near Threatened
2012 Near Threatened
2010 Near Threatened
2008 Near Threatened
2004 Near Threatened
2000 Lower Risk/Near Threatened
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

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

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals medium Estimated 2004
Population trend Decreasing poor -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 15.6 - - -
Population justification: Brooke (2004)

Trend justification: There are no data, the species is thought to be declining due to the depredations of introduced predators on the breeding grounds.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
American Samoa Unknown Extant        
Antarctica Native Extant   Yes    
Australia Native Extant   Yes    
Canada Unknown Extant        
Chile Unknown Extant        
Cook Islands Unknown Extant        
Ecuador Vagrant Extant        
Fiji Native Extant   Yes    
French Polynesia Unknown Extant        
Japan Vagrant Extant        
Kiribati Unknown Extant        
Marshall Islands Native Extant   Yes    
Mexico Unknown Extant        
Micronesia, Federated States of Unknown Extant        
Nauru Unknown Extant        
New Caledonia (to France) Unknown Extant        
New Zealand Native Extant Yes      
Niue (to New Zealand) Unknown Extant        
Norfolk Island (to Australia) Unknown Extant        
Pitcairn Islands (to UK) Unknown Extant        
Russia Vagrant Extant        
Russia (Asian) Vagrant Extant        
Samoa Unknown Extant        
Solomon Islands Unknown Extant        
Tokelau (to New Zealand) Unknown Extant        
Tonga Unknown Extant        
Tuvalu Unknown Extant        
United States Minor Outlying Islands (to USA) Unknown Extant        
USA Native Extant   Yes    
Vanuatu Unknown Extant        
Wallis and Futuna Islands (to France) Unknown Extant        

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Grassland Subantarctic major breeding
Marine Coastal/Supratidal Sea Cliffs and Rocky Offshore Islands major breeding
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 non-breeding
Marine Neritic Seagrass (Submerged) suitable 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 non-breeding
Marine Oceanic Epipelagic (0-200m) major breeding
Marine Oceanic Mesopelagic (200-1000m) major non-breeding
Marine Oceanic Mesopelagic (200-1000m) major breeding
Altitude 0 - 350 m Occasional altitudinal limits  

Threats & impact

Threat (level 1) Threat (level 2) Impact and Stresses
Biological resource use Hunting & trapping terrestrial animals / Unintentional effects (species is not the target) Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species mortality
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Black Rat (Rattus rattus) Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Reduced reproductive success
Invasive and other problematic species, genes & diseases Invasive non-native/alien species/diseases / Weka (Gallirallus australis) Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Decline Low Impact: 5
Stresses
Species mortality

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Food - human - - -  

Recommended citation
BirdLife International (2014) Species factsheet: Pterodroma inexpectata. Downloaded from http://www.birdlife.org on 25/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/07/2014.

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 Near Threatened
Family Procellariidae (Petrels, Shearwaters)
Species name author (Forster, 1844)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) -
Country endemic? Yes
Links to further information
- Summary information on this species