Black-bellied Storm-petrel Fregetta tropica


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.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: #
Turbott, E.G. 1990. Checklist of the Birds of New Zealand. Ornithological Society of New Zealand, Wellington.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2018 Least Concern
2016 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
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 -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 21,200,000 medium
Extent of Occurrence non-breeding (km2) 287,000,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2004
Population trend Decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 15.2 - - -

Population justification: Brooke (2004) estimated the global population to number around 500,000 individuals.

Trend justification: The population is suspected to be in decline owing to ongoing threats.

Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
American Samoa U Extant
Angola U Extant
Antarctica N Extant Yes
Argentina N Extant
Australia N Extant Yes
Bangladesh U Extant
Bouvet Island (to Norway) N Extant Yes
Brazil N Extant
British Indian Ocean Territory U Extant
Chile N Extant
Christmas Island (to Australia) U Extant
Cocos (Keeling) Islands (to Australia) U Extant
Comoros U Extant
Cook Islands U Extant
Equatorial Guinea U Extant
Falkland Islands (Malvinas) N Extant
Fiji V Extant Yes
French Polynesia N Extant
French Southern Territories N Extant Yes
Gabon U Extant
Heard Island and McDonald Islands (to Australia) U Extant
India U Extant
Indonesia U Extant
Iran, Islamic Republic of U Extant
Kenya U Extant
Kiribati U Extant
Madagascar N Extant
Maldives U Extant
Marshall Islands U Extant
Mauritius U Extant
Mayotte (to France) U Extant
Micronesia, Federated States of U Extant
Mozambique N Extant
Myanmar U Extant
Namibia U Extant
Nauru U Extant
New Caledonia (to France) U Extant
New Zealand N Extant Yes
Niue (to New Zealand) U Extant
Norfolk Island (to Australia) U Extant
Oman V Extant Yes
Pakistan U Extant
Papua New Guinea U Extant
Peru N Extant
Pitcairn Islands (to UK) U Extant
Réunion (to France) U Extant
Samoa U Extant
São Tomé e Príncipe V Extant
Seychelles U Extant
Solomon Islands N Extant
Somalia U Extant
South Africa N Extant Yes
South Georgia & the South Sandwich Islands N Extant Yes
Sri Lanka U Extant
St Helena (to UK) V Extant
Tanzania U Extant
Tokelau (to New Zealand) U Extant
Tonga U Extant
Tuvalu U Extant
United States Minor Outlying Islands (to USA) U Extant
Uruguay N Extant Yes
USA V Extant
Vanuatu N Extant
Wallis and Futuna Islands (to France) U Extant
Yemen N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Bouvet Island (to Norway) Bouvetøya (Bouvet Island)
French Southern Territories Île de l'Est
New Zealand Antipodes Islands
South Africa Prince Edward Islands Special Nature Reserve
South Georgia & the South Sandwich Islands South Georgia - mainland, islands, islets and stacks
South Georgia & the South Sandwich Islands South Sandwich Islands

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Marine Coastal/Supratidal Sea Cliffs and Rocky Offshore Islands major breeding
Marine Neritic Macroalgal/Kelp major non-breeding
Marine Neritic Macroalgal/Kelp major breeding
Marine Neritic Pelagic major non-breeding
Marine Neritic Pelagic major breeding
Marine Neritic Seagrass (Submerged) major non-breeding
Marine Neritic Seagrass (Submerged) major breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major breeding
Marine Neritic Subtidal Rock and Rocky Reefs major non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs major breeding
Marine Neritic Subtidal Sandy major non-breeding
Marine Neritic Subtidal Sandy major breeding
Marine Neritic Subtidal Sandy-Mud major non-breeding
Marine Neritic Subtidal Sandy-Mud major 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   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Pollution Excess energy - Light pollution Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Species mortality

Recommended citation
BirdLife International (2020) Species factsheet: Fregetta tropica. Downloaded from on 25/01/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from on 25/01/2020.