LC
White-tailed Tropicbird Phaethon lepturus



Taxonomy

Taxonomic source(s)
AERC TAC. 2003. AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Available at: http://www.aerc.eu/DOCS/Bird_taxa_of_the_WP15.xls.
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: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
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
2020 Least Concern
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 -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 161,000,000 km2 medium
Extent of Occurrence (non-breeding) 229,000,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 400000 mature individuals poor estimated 2019
Population trend decreasing - suspected -
Generation length 8.4 years - - -

Population justification: The global population is estimated to number fewer than 400,000 mature individuals (Partners in Flight 2019).

Trend justification: The population is undergoing a moderate decline (Partners in Flight 2019), which is thought to be caused by predation by invasive species.


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
American Samoa extant native yes
Angola extant vagrant
Anguilla (to UK) extant native
Antigua and Barbuda extant native
Australia extant native
Bahamas extant native
Barbados extant native
Belize extant native
Benin extant uncertain
Bermuda (to UK) extant native yes
Bonaire, Sint Eustatius and Saba (to Netherlands) extant native
Brazil extant native
British Indian Ocean Territory extant native yes
Cameroon extant native
Canada extant native
Cayman Islands (to UK) extant native
Chile extant native
China (mainland) extant native
Christmas Island (to Australia) extant native
Cocos (Keeling) Islands (to Australia) extant native yes
Colombia extant native
Comoros extant native
Cook Islands extant native yes
Côte d'Ivoire extant uncertain
Cuba extant native
Curaçao (to Netherlands) extant native
Dominica extant native
Dominican Republic extant native
Equatorial Guinea extant native
Fiji extant native yes
French Guiana extant uncertain
French Polynesia extant native
Gabon extant uncertain
Ghana extant vagrant
Grenada extant native
Guadeloupe (to France) extant uncertain
Guam (to USA) extant native yes
Guatemala extant native
Guyana extant uncertain
Haiti extant native
High Seas extant native yes
Honduras extant uncertain
India extant native
Indonesia extant native
Jamaica extant native yes
Japan extant native
Kenya extant native
Liberia extant vagrant
Madagascar extant native
Malaysia extant native
Maldives extant native yes
Marshall Islands extant native yes
Martinique (to France) extant native
Mauritius extant native yes
Mayotte (to France) extant native
Mexico extant native
Micronesia, Federated States of extant native yes
Montserrat (to UK) extant native
Mozambique extant native
Myanmar extant native
Nauru extant native
New Caledonia (to France) extant native
New Zealand extant vagrant
Nigeria extant uncertain
Northern Mariana Islands (to USA) extant native yes
Palau extant native yes
Panama extant vagrant
Philippines extant native
Puerto Rico (to USA) extant native yes
Réunion (to France) extant native yes
São Tomé e Príncipe extant native
Seychelles extant native yes
Sint Maarten (to Netherlands) extant native
Solomon Islands extant native
South Africa extant native
Sri Lanka extant native
St Barthelemy (to France) extant native
St Helena (to UK) extant native yes
St Kitts and Nevis extant native
St Lucia extant native
St Martin (to France) extant native
St Vincent and the Grenadines extant native
Suriname extant uncertain
Taiwan, China extant native
Tanzania extant native
Thailand extant native
Timor-Leste extant vagrant
Togo extant uncertain
Tonga extant native
Trinidad and Tobago extant native
Turks and Caicos Islands (to UK) extant native yes
United States Minor Outlying Islands (to USA) extant native
USA extant native yes
Vanuatu extant native
Venezuela extant uncertain
Virgin Islands (to UK) extant native yes
Virgin Islands (to USA) extant native yes
Wallis and Futuna Islands (to France) extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Bahamas Booby Rocks and Pirates Bay
Bahamas Conception Island National Park
Bahamas Exuma Cays Land and Sea Park
Bahamas Graham's Harbour
Bahamas North Atlantic Abaco Cays
Bahamas Southern Abaco
Bermuda (to UK) Cooper's Island and Castle Islands
Christmas Island (to Australia) Christmas Island
Dominica L'llet
Dominica Point Des Foux
French Southern Territories Europa
Indonesia Pulau Manuk
Mauritius Round Island
Puerto Rico (to USA) Acantilados del Noroeste
Seychelles Aldabra Special Reserve
Seychelles Aride Island Special Reserve
Seychelles Cousin Island Special Reserve
Seychelles Cousine island
St Helena (to UK) Boatswainbird Island
Turks and Caicos Islands (to UK) Fish Ponds and Crossing Place Trail, Middle Caicos
Turks and Caicos Islands (to UK) Turks Bank Seabird Cays

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
Climate change & severe weather Storms & flooding Timing Scope Severity Impact
Ongoing Minority (<50%) Causing/Could cause fluctuations Low Impact: 5
Stresses
Species disturbance, Ecosystem degradation, Reduced reproductive success
Pollution Industrial & military effluents - Oil spills Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Ecosystem degradation, Species mortality
Residential & commercial development Housing & urban areas Timing Scope Severity Impact
Ongoing Minority (<50%) Negligible declines Low Impact: 4
Stresses
Ecosystem degradation

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: White-tailed Tropicbird Phaethon lepturus. Downloaded from https://datazone.birdlife.org/species/factsheet/white-tailed-tropicbird-phaethon-lepturus on 22/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/12/2024.