• Summary
• Text account
• Data table and detailed info
• Distribution map
• Reference and further resources

Taxonomic note
Anous tenuirostris and A. minutus (Sibley and Monroe 1990, 1993), cross-regional species, are retained as separate species contra Turbott (1990) who includes minutus as a subspecies of tenuirostris.

Taxonomic source(s)
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.

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

Migratory status	not a migrant	Forest dependency	does not normally occur in forest
Land-mass type		Average mass	-

	Estimate	Data quality
Extent of Occurrence (breeding/resident)	164,000,000 km2	medium
Extent of Occurrence (non-breeding)	205,000,000 km2	medium
Severely fragmented?	no	-

	Estimate	Data quality	Derivation	Year of estimate
Population size	1300000 mature individuals	poor	estimated	2019
Population trend	decreasing	-	suspected	-
Generation length	8.1 years	-	-	-

Population justification: The global population is estimated to number 1,300,000 mature individuals (Partners in Flight 2019).

Trend justification: The population is undergoing a small decline (Partners in Flight 2019).

Country/Territory	Presence	Origin	Resident	Breeding visitor	Non-breeding visitor	Passage migrant
American Samoa	extant	native	yes
Anguilla (to UK)	extant	uncertain
Antigua and Barbuda	extant	native	yes
Aruba (to Netherlands)	extant	native	yes
Australia	extant	native		yes
Bahamas	extant	uncertain
Barbados	extant	native	yes
Belize	extant	native	yes
Benin	extant	uncertain
Bonaire, Sint Eustatius and Saba (to Netherlands)	extant	native	yes
Brazil	extant	native	yes
Cameroon	extant	uncertain
Cayman Islands (to UK)	extant	uncertain
Chile	extant	vagrant				yes
Colombia	extant	vagrant			yes
Cook Islands	extant	native	yes
Costa Rica	extant	native	yes
Côte d'Ivoire	extant	uncertain
Cuba	extant	uncertain
Curaçao (to Netherlands)	extant	native	yes
Dominica	extant	native	yes
Dominican Republic	extant	uncertain
Ecuador	extant	uncertain
Equatorial Guinea	extant	native		yes
Fiji	extant	native	yes
French Guiana	extant	uncertain
French Polynesia	extant	native	yes
French Southern Territories	extant	uncertain
Gabon	extant	vagrant			yes
Gambia	extant	vagrant			yes
Ghana	extant	vagrant			yes
Grenada	extant	uncertain
Guam (to USA)	extant	native			yes
Guatemala	extant	uncertain
Guyana	extant	uncertain
Haiti	extant	uncertain
Honduras	extant	uncertain	yes
Indonesia	extant	native	yes
Jamaica	extant	uncertain
Japan	extant	native		yes
Kiribati	extant	native	yes
Liberia	extant	uncertain
Malaysia	extant	vagrant			yes
Marshall Islands	extant	native		yes
Martinique (to France)	extant	native	yes
Mexico	extant	native	yes
Micronesia, Federated States of	extant	native		yes
Montserrat (to UK)	extant	native	yes
Nauru	extant	native	yes
New Caledonia (to France)	extant	native	yes
New Zealand	extant	native		yes
Nicaragua	extant	uncertain
Nigeria	extant	native	yes
Niue (to New Zealand)	extant	uncertain
Norfolk Island (to Australia)	extant	native	yes
Northern Mariana Islands (to USA)	extant	native		yes
Palau	extant	native		yes
Panama	extant	vagrant			yes
Papua New Guinea	extant	native	yes
Philippines	extant	native	yes
Pitcairn Islands (to UK)	extant	uncertain
Puerto Rico (to USA)	extant	vagrant			yes
Samoa	extant	uncertain
São Tomé e Príncipe	extant	native		yes
Sierra Leone	extant	vagrant			yes
Sint Maarten (to Netherlands)	extant	native
Solomon Islands	extant	native	yes
Sri Lanka	extant	vagrant			yes
St Helena (to UK)	extant	native		yes
St Kitts and Nevis	extant	native	yes
St Lucia	extant	native	yes
St Martin (to France)	extant	uncertain
St Vincent and the Grenadines	extant	native	yes
Suriname	extant	uncertain
Timor-Leste	extant	uncertain
Togo	extant	vagrant
Tokelau (to New Zealand)	extant	native	yes
Tonga	extant	native	yes
Trinidad and Tobago	extant	uncertain
Turks and Caicos Islands (to UK)	extant	uncertain
Tuvalu	extant	native	yes
United States Minor Outlying Islands (to USA)	extant	native		yes
USA	extant	vagrant		yes
Vanuatu	extant	vagrant			yes
Venezuela	extant	native	yes
Virgin Islands (to UK)	extant	uncertain
Virgin Islands (to USA)	extant	vagrant			yes
Wallis and Futuna Islands (to France)	extant	native		yes

Country/Territory	IBA Name
Aruba (to Netherlands)	San Nicolas Bay Reef Islands
Australia	Capricornia Cays
Australia	Coringa-Herald Reefs
Australia	Piper Islands
Australia	Raine Island, Moulter and Maclennan Cays
Brazil	Atol das Rocas
Dominica	L'llet
Equatorial Guinea	Annobón
Fiji	Ringgold Islands
Fiji	Ringgold Islands Marine
Fiji	Vatu-i-Ra
Fiji	Vatu-i-Ra Marine
Kiribati	Kiritimati (Christmas Island)
Kiribati	Kiritimati (Christmas Island) Marine
Kiribati	Millenium (Caroline) Island
Kiribati	Millenium (Caroline) Island Marine
Micronesia, Federated States of	East Fayu
Micronesia, Federated States of	East Fayu Marine
Micronesia, Federated States of	Wolouna, Ahnd Atoll
New Caledonia (to France)	Îles des récifs Bampton et Chesterfield
New Caledonia (to France)	Îlots du lagon sud
New Caledonia (to France)	Récifs Bampton et Chesterfield Marin
Palau	Fana Island
Palau	Fana Island Marine
Palau	Helen Island Marine
Palau	Helen Island, Hatohobei
Papua New Guinea	Tench Island
Papua New Guinea	Tench Marine
São Tomé e Príncipe	Tinhosas islands
Tokelau (to New Zealand)	Atafu
Tokelau (to New Zealand)	Nukunonu
Tokelau (to New Zealand)	Tokelau Marine
Tonga	Maninita, Taula, Lualoli
Tonga	Vava'u Marine
USA	Northwestern Hawaiian Islands
Venezuela	Parque Nacional Archipiélago Los Roques
Venezuela	Refugio de Fauna Silvestre Isla de Aves

Habitat (level 1)	Habitat (level 2)	Importance	Occurrence
Marine Coastal/Supratidal	Sea Cliffs and Rocky Offshore Islands	major	breeding
Marine Neritic	Macroalgal/Kelp	major	resident
Marine Neritic	Pelagic	major	resident
Marine Neritic	Seagrass (Submerged)	major	resident
Marine Neritic	Subtidal Loose Rock/pebble/gravel	major	resident
Marine Neritic	Subtidal Rock and Rocky Reefs	major	resident
Marine Neritic	Subtidal Sandy	major	resident
Marine Neritic	Subtidal Sandy-Mud	major	resident
Marine Oceanic	Epipelagic (0-200m)	suitable	resident
Marine Oceanic	Mesopelagic (200-1000m)	suitable	resident
Altitude	0 - 50 m	Occasional altitudinal limits

Threat (level 1)	Threat (level 2)	Impact and Stresses
Biological resource use	Hunting & trapping terrestrial animals - Intentional use (species is the target)	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Species disturbance, Reduced reproductive success
Climate change & severe weather	Habitat shifting & alteration	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Negligible declines		Low Impact: 4
		Stresses Reduced reproductive success
Invasive and other problematic species, genes & diseases	Invasive non-native/alien species/diseases - Felis catus	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Species disturbance, Reduced reproductive success
Invasive and other problematic species, genes & diseases	Invasive non-native/alien species/diseases - Rattus rattus	Timing		Scope		Severity		Impact
		Ongoing		Minority (<50%)		Slow, Significant Declines		Low Impact: 5
		Stresses Reduced reproductive success
Invasive and other problematic species, genes & diseases	Invasive non-native/alien species/diseases - Unspecified species	Timing		Scope		Severity		Impact
		Past, Unlikely to Return		Minority (<50%)		Rapid Declines		Past Impact
		Stresses Species disturbance, Ecosystem degradation, Reduced reproductive success

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Recommended citation
BirdLife International (2024) Species factsheet: Black Noddy Anous minutus. Downloaded from https://datazone.birdlife.org/species/factsheet/black-noddy-anous-minutus on 23/12/2024.
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 23/12/2024.