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Red-billed Tropicbird Phaethon aethereus

IUCN Red List history

Year Category
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 -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 24,500 medium
Extent of Occurrence non-breeding (km2) 22,500,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals 3300-13000 poor Estimated 2009
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 10.1 - - -
Population justification: The population is estimated to number 5,000-20,000 individuals, roughly equating to 3,300-13,000 mature individuals.
Trend justification: The population is suspected to be in decline owing to predation by invasive species and unsustainable levels of exploitation.

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Angola Vagrant Extant      
Anguilla (to UK) Native Extant      
Antigua and Barbuda Native Extant      
Bahamas Native Extant      
Bahrain Unknown Extant      
Barbados Native Extant      
Belize Unknown Extant      
Benin Unknown Extant      
Bermuda (to UK) Vagrant Extant      
Bonaire, Sint Eustatius and Saba (to Netherlands) Native Extant      
Brazil Native Extant      
Cameroon Unknown Extant      
Cape Verde Native Extant Yes    
Cayman Islands (to UK) Native Extant      
Chile Native Extant      
China (mainland) Native Extant Yes    
Colombia Native Extant      
Congo Unknown Extant      
Congo, The Democratic Republic of the Unknown Extant      
Costa Rica Vagrant Extant      
Côte d'Ivoire Unknown Extant      
Cuba Native Extant      
Curaçao (to Netherlands) Native Extant      
Djibouti Native Extant      
Dominica Native Extant      
Dominican Republic Native Extant      
Ecuador Native Extant      
Egypt Native Extant      
El Salvador Native Extant      
Equatorial Guinea Unknown Extant      
Eritrea Native Extant      
French Guiana Native Extant      
French Polynesia Vagrant Extant      
Gabon Vagrant Extant      
Gambia Vagrant Extant      
Ghana Unknown Extant      
Grenada Native Extant Yes    
Guadeloupe (to France) Native Extant      
Guatemala Unknown Extant      
Guinea Native Extant      
Guinea-Bissau Native Extant      
Guyana Unknown Extant      
Haiti Native Extant      
Honduras Unknown Extant      
India Vagrant Extant      
Iran, Islamic Republic of Native Extant      
Iraq Unknown Extant      
Israel Vagrant Extant      
Jamaica Vagrant Extant      
Jordan Vagrant Extant      
Kuwait Vagrant Extant   Yes  
Liberia Unknown Extant      
Madagascar Vagrant Extant      
Malaysia Vagrant Extant      
Maldives Native Extant      
Martinique (to France) Native Extant      
Mauritania Vagrant Extant      
Mexico Native Extant      
Montserrat (to UK) Native Extant      
Myanmar Vagrant Extant      
Netherlands Vagrant Extant      
Nicaragua Unknown Extant      
Nigeria Unknown Extant      
Oman Native Extant      
Pakistan Native Extant      
Panama Native Extant      
Peru Native Extant      
Portugal Native Extant Yes    
Puerto Rico (to USA) Native Extant      
Qatar Native Extant      
São Tomé e Príncipe Unknown Extant      
Saudi Arabia Native Extant      
Senegal Native Extant Yes    
Seychelles Vagrant Extant      
Sint Maarten (to Netherlands) Native Extant      
Somalia Native Extant      
South Africa Vagrant Extant      
Spain Vagrant Extant      
Sri Lanka Vagrant Extant      
St Helena (to UK) Native Extant Yes    
St Kitts and Nevis Native Extant      
St Lucia Native Extant      
St Martin (to France) Native Extant      
St Vincent and the Grenadines Native Extant      
Sudan Vagrant Extant   Yes  
Suriname Unknown Extant      
Togo Unknown Extant      
Trinidad and Tobago Native Extant      
Turks and Caicos Islands (to UK) Native Extant      
United Arab Emirates Native Extant Yes    
United Kingdom Vagrant Extant      
USA Vagrant Extant      
Venezuela Native Extant      
Vietnam Vagrant Extant      
Virgin Islands (to UK) Native Extant      
Virgin Islands (to USA) Native Extant      
Western Sahara Unknown Extant      
Yemen Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Anguilla (to UK) Dog Island site factsheet
Anguilla (to UK) Prickly Pear (East and West) site factsheet
Bonaire, Sint Eustatius and Saba (to Netherlands) Boven, Sint Eustatius site factsheet
Bonaire, Sint Eustatius and Saba (to Netherlands) Saba site factsheet
Cape Verde Central mountain range of Ilha de São Nicolau - Marine site factsheet
Cape Verde Coastal cliffs between Porto Mosquito and Baia do Inferno site factsheet
Cape Verde Coastal cliffs between Porto Mosquito and Baia do Inferno - Marine site factsheet
Cape Verde Ilhéu Raso site factsheet
Ecuador Áreas costeras de Fernandina y del occidente de Isabela site factsheet
Ecuador Isla Española site factsheet
Ecuador Isla Floreana site factsheet
Ecuador Isla San Cristóbal site factsheet
Guadeloupe (to France) Falaises du Nord Grande-Terre site factsheet
Guadeloupe (to France) Falaises Nord et Îlet de Vieux-Fort de Marie-Galante site factsheet
Guadeloupe (to France) Pointe des Châteaux site factsheet
Oman Halaaniyaat Islands site factsheet
Oman Khor Mughsayl site factsheet
Oman Musandam islands site factsheet
Senegal Parc National des Iles de la Madeleine site factsheet
St Helena (to UK) Ascension Island: mainland and stacks site factsheet
St Helena (to UK) Boatswainbird Island site factsheet
St Helena (to UK) North-east St Helena site factsheet
St Helena (to UK) South-west St Helena site factsheet
St Lucia North-east coast site factsheet
St Lucia Point Sables site factsheet
St Martin (to France) Tintamarre site factsheet
Trinidad and Tobago Little Tobago Island site factsheet
Trinidad and Tobago St Giles Islands site factsheet
United Arab Emirates Qarnayn island site factsheet
Virgin Islands (to USA) North-west Cays site factsheet
Yemen Islands north of Al-Hudaydah site factsheet

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 breeding
Marine Neritic Macroalgal/Kelp major non-breeding
Marine Neritic Pelagic major breeding
Marine Neritic Pelagic major non-breeding
Marine Neritic Seagrass (Submerged) major breeding
Marine Neritic Seagrass (Submerged) major non-breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major breeding
Marine Neritic Subtidal Loose Rock/pebble/gravel major non-breeding
Marine Neritic Subtidal Rock and Rocky Reefs major breeding
Marine Neritic Subtidal Rock and Rocky Reefs major non-breeding
Marine Neritic Subtidal Sandy major breeding
Marine Neritic Subtidal Sandy major non-breeding
Marine Neritic Subtidal Sandy-Mud major breeding
Marine Neritic Subtidal Sandy-Mud major 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 - 0 m Occasional altitudinal limits  

Utilisation

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

Recommended citation
BirdLife International (2014) Species factsheet: Phaethon aethereus. Downloaded from http://www.birdlife.org on 17/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/04/2014.

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 Least Concern
Family Phaethontidae (Tropicbirds)
Species name author Linnaeus, 1758
Population size 3300-13000 mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 24,500 km2
Country endemic? No
Links to further information
- Summary information on this species