Data Zone
Taxonomic note
Geothlypis formosa (del Hoyo and Collar 2016) was previously placed in the genus Oporornis and listed as O. formosus following AOU (1998 & supplements); SACC (2005 & updates); Sibley & Monroe (1990, 1993); Stotz et al. (1996).
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.
SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| Year | Category | Criteria |
|---|---|---|
| 2021 | 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 | full migrant | Forest dependency | medium |
| Land-mass type | Average mass | 14 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 2,590,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 5,500,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 2600000 mature individuals | poor | estimated | 2019 |
| Population trend | decreasing | - | estimated | - |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 12% | - | - | - |
| Generation length | 2.45 years | - | - | - |
Population justification: The global population is estimated to number 2.6 million mature individuals (Partners in Flight 2019).
Trend justification: The species is undergoing a moderate decline (Partners in Flight 2019; Rosenberg et al. 2019). Short-term trends suggest that the population has been declining by 12% over the past ten years (Pardieck et al. 2018).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Antigua and Barbuda | extant | vagrant | yes | |||
| Aruba (to Netherlands) | extant | vagrant | yes | |||
| Bahamas | extant | native | yes | |||
| Barbados | extant | vagrant | yes | |||
| Belize | extant | native | yes | |||
| Bonaire, Sint Eustatius and Saba (to Netherlands) | extant | vagrant | yes | |||
| Canada | extant | vagrant | ||||
| Cayman Islands (to UK) | extant | native | yes | |||
| Colombia | extant | native | yes | |||
| Costa Rica | extant | native | yes | |||
| Cuba | extant | native | yes | |||
| Curaçao (to Netherlands) | extant | vagrant | yes | |||
| Dominica | extant | vagrant | yes | |||
| Dominican Republic | extant | native | yes | |||
| El Salvador | extant | native | yes | |||
| Guadeloupe (to France) | extant | vagrant | yes | |||
| Guatemala | extant | native | yes | yes | ||
| Haiti | extant | native | yes | |||
| Honduras | extant | native | yes | yes | ||
| Jamaica | extant | native | yes | |||
| Martinique (to France) | extant | vagrant | yes | |||
| Mexico | extant | native | yes | yes | ||
| Montserrat (to UK) | extant | vagrant | yes | |||
| Nicaragua | extant | native | yes | yes | ||
| Panama | extant | native | yes | |||
| Puerto Rico (to USA) | extant | native | yes | |||
| St Kitts and Nevis | extant | vagrant | yes | |||
| St Lucia | extant | vagrant | yes | |||
| St Vincent and the Grenadines | extant | vagrant | yes | |||
| Turks and Caicos Islands (to UK) | extant | native | yes | |||
| USA | extant | native | yes | yes | ||
| Venezuela | extant | native | yes | |||
| Virgin Islands (to UK) | extant | native | yes | |||
| Virgin Islands (to USA) | extant | native | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Subtropical/Tropical Moist Lowland | major | non-breeding |
| Forest | Temperate | major | breeding |
| Altitude | Occasional altitudinal limits | (max) 1850 m |
| Purpose | Scale |
|---|---|
| Pets/display animals, horticulture | international |
Recommended citation
BirdLife International (2024) Species factsheet: Kentucky Warbler Geothlypis formosa. Downloaded from
https://datazone.birdlife.org/species/factsheet/kentucky-warbler-geothlypis-formosa 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.