LC
Swainson's Warbler Limnothlypis swainsonii



Taxonomy

Taxonomic source(s)
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.

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

Red List history
Year Category Criteria
2023 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 19 g
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 1,660,000 km2 medium
Extent of Occurrence (non-breeding) 1,820,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 160000 mature individuals poor estimated 2019
Population trend increasing - estimated -
Rate of change over the past 10 years/3 generations (longer of the two periods) 65% - - -
Generation length 2.59 years - - -

Population justification: The global population is estimated to number 160,000 mature individuals (Partners in Flight 2019).

Trend justification: This species has been increasing over the last 50 years in North America (Partners in Flight 2019). Short-term trends suggest that the population has increased by 65% over the past ten years (Pardieck et al. 2018).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Aruba (to Netherlands) extant vagrant yes
Bahamas extant native yes
Belize extant native yes yes
Bermuda (to UK) extant vagrant
Canada extant vagrant yes
Cayman Islands (to UK) extant native yes
Cuba extant native yes
Dominican Republic extant native yes
Guatemala extant native yes yes
Haiti extant native yes
Honduras extant vagrant yes
Jamaica extant native yes
Mexico extant native yes yes
Panama extant vagrant yes
Puerto Rico (to USA) extant native yes
Turks and Caicos Islands (to UK) extant vagrant yes
USA extant native yes yes
Virgin Islands (to USA) extant vagrant yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Moist Lowland major non-breeding
Shrubland Temperate major breeding
Wetlands (inland) Shrub Dominated Wetlands major breeding
Altitude 0 - 1000 m Occasional altitudinal limits  

Utilisation
Purpose Scale
Pets/display animals, horticulture international

Recommended citation
BirdLife International (2024) Species factsheet: Swainson's Warbler Limnothlypis swainsonii. Downloaded from https://datazone.birdlife.org/species/factsheet/swainsons-warbler-limnothlypis-swainsonii on 22/11/2024.
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 22/11/2024.