Data Zone
Taxonomic note
Geothlypis tolmiei (del Hoyo and Collar 2016) was previously placed in the genus Oporornis following AOU (1998 & supplements); 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.
| Critically Endangered | Endangered | Vulnerable |
|---|---|---|
| - | - | - |
| 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 |
| Migratory status | full migrant | Forest dependency | medium |
| Land-mass type | Average mass | 10 g |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 5,250,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 2,090,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | 11000000 mature individuals | poor | estimated | 2019 |
| Population trend | decreasing | - | estimated | - |
| Rate of change over the past 10 years/3 generations (longer of the two periods) | 10% | - | - | - |
| Generation length | 2.29 years | - | - | - |
Population justification: The global population is estimated to number 11 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 declined by 10% over the past ten years (Pardieck et al. 2018).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Bahamas | extant | vagrant | ||||
| Belize | extant | vagrant | yes | |||
| Canada | extant | native | yes | yes | ||
| Costa Rica | extant | native | yes | yes | ||
| El Salvador | extant | native | yes | |||
| Guatemala | extant | native | yes | |||
| Honduras | extant | native | yes | |||
| Mexico | extant | native | yes | yes | yes | |
| Nicaragua | extant | native | yes | yes | ||
| Panama | extant | native | yes | yes | ||
| USA | extant | native | yes | yes |
| Country/Territory | IBA Name |
|---|
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Forest | Boreal | suitable | breeding |
| Forest | Temperate | major | breeding |
| Shrubland | Subtropical/Tropical High Altitude | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Moist | major | non-breeding |
| Shrubland | Temperate | suitable | breeding |
| Altitude | 1000 - 2700 m | Occasional altitudinal limits | (max) 3000 m |
| Threat (level 1) | Threat (level 2) | Impact and Stresses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Climate change & severe weather | Other impacts | Timing | Scope | Severity | Impact | ||||
| Ongoing | Unknown | Unknown | Unknown | ||||||
|
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Recommended citation
BirdLife International (2024) Species factsheet: MacGillivray's Warbler Geothlypis tolmiei. Downloaded from
https://datazone.birdlife.org/species/factsheet/macgillivrays-warbler-geothlypis-tolmiei on 23/11/2024.
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 23/11/2024.