LC
Black-throated Blue Warbler Setophaga caerulescens



Taxonomy

Taxonomic note

Setophaga caerulescens (del Hoyo and Collar 2016) was previously placed in the genus Dendroica following AERC TAC (2003); AOU (1998 & supplements); Cramp et al. (1977-1994); SACC (2005 & updates); Sibley & Monroe (1990, 1993); Stotz et al. (1996).

 

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#.
Cramp, S. and Simmons, K.E.L. (eds). 1977-1994. Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford University Press, Oxford.
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.htm#.

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

Red List history
Year Category Criteria
2021 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 Medium
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 2,700,000 medium
Extent of Occurrence non-breeding (km2) 3,980,000 medium
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 2400000 poor estimated 2019
Population trend Increasing estimated -
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 - - -
Percentage in largest subpopulation - - -

Population justification: The global population is estimated to number 2.4 million mature individuals (Partners in Flight 2019).

Trend justification: The species is increasing (Partners in Flight 2019; Rosenberg et al. 2019). Short-term trends suggest that the population has increased by 10% over the past ten years, though this value is non-significant (Pardieck et al. 2018).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Aruba (to Netherlands) V Extant Yes
Bahamas N Extant Yes
Barbados N Extant Yes
Belize N Extant Yes
Bonaire, Sint Eustatius and Saba (to Netherlands) V Extant Yes
Canada N Extant Yes Yes
Cayman Islands (to UK) N Extant Yes
Colombia V Extant Yes
Costa Rica N Extant Yes
Cuba N Extant Yes
Dominica N Extant Yes
Dominican Republic N Extant Yes
Ecuador V Extant Yes
El Salvador V Extant Yes
Greenland (to Denmark) V Extant
Guadeloupe (to France) N Extant Yes
Guatemala N Extant Yes
Haiti N Extant Yes
Honduras N Extant Yes
Jamaica N Extant Yes
Mexico N Extant Yes
Nicaragua N Extant Yes
Panama N Extant Yes
Puerto Rico (to USA) N Extant Yes
Sint Maarten (to Netherlands) V Extant Yes
St Kitts and Nevis V Extant Yes
St Martin (to France) V Extant Yes
St Pierre and Miquelon (to France) V Extant Yes
St Vincent and the Grenadines V Extant Yes
Trinidad and Tobago V Extant Yes
Turks and Caicos Islands (to UK) N Extant Yes
USA N Extant Yes Yes Yes
Venezuela V Extant Yes
Virgin Islands (to UK) N Extant Yes
Virgin Islands (to USA) N Extant Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Jamaica Yallahs
Jamaica Blue Mountains
Jamaica Mount Diablo
Jamaica John Crow Mountains
Jamaica Jericho
Jamaica Fyffe and Rankine
Jamaica Negril
Bahamas Harrold and Wilson Ponds National Park
Bahamas Governor's Harbour
Bahamas Grog Pond
Bahamas South Tarpum Bay
Canada Prince Edward County South Shore
Bahamas Booby Rocks and Pirates Bay
Bahamas Driggs Hill to Mars Bay
Bahamas Mangrove Cay
Anguilla (to UK) Cove Pond
Cuba Alejandro de Humboldt
Bahamas Cat Island Wetlands
Bahamas Red Bays
Jamaica Catadupa

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Plantations suitable non-breeding
Artificial/Terrestrial Rural Gardens suitable non-breeding
Artificial/Terrestrial Urban Areas suitable non-breeding
Forest Subtropical/Tropical Moist Lowland suitable non-breeding
Forest Temperate major breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Shrubland Subtropical/Tropical Moist suitable non-breeding
Altitude   Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Climate change & severe weather Other impacts Timing Scope Severity Impact
Ongoing Unknown Unknown Unknown
Stresses
Reduced reproductive success, Species mortality

Utilisation
Purpose Primary form used Life stage used Source Scale Level Timing
Pets/display animals, horticulture - - International Non-trivial Recent

Recommended citation
BirdLife International (2022) Species factsheet: Setophaga caerulescens. Downloaded from http://www.birdlife.org on 28/05/2022. Recommended citation for factsheets for more than one species: BirdLife International (2022) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 28/05/2022.