Data Zone
Taxonomic source(s)
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. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
SACC. 2006. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.
SACC. 2006. 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 |
|---|---|---|
| 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 | does not normally occur in forest |
| Land-mass type | Average mass | - |
| Estimate | Data quality | |
|---|---|---|
| Extent of Occurrence (breeding/resident) | 6,760,000 km2 | medium |
| Extent of Occurrence (non-breeding) | 5,660,000 km2 | medium |
| Severely fragmented? | no | - |
| Estimate | Data quality | Derivation | Year of estimate | |
|---|---|---|---|---|
| Population size | unknown | poor | estimated | 2009 |
| Population trend | stable | - | estimated | - |
| Generation length | 10 years | - | - | - |
Trend justification: This species has had stable population trends over the last 40 years in North America (data from Breeding Bird Survey and/or Christmas Bird Count: Butcher and Niven 2007).
| Country/Territory | Presence | Origin | Resident | Breeding visitor | Non-breeding visitor | Passage migrant |
|---|---|---|---|---|---|---|
| Argentina | extant | native | ||||
| Belize | extant | native | ||||
| Bolivia | extant | native | ||||
| Brazil | extant | native | ||||
| Canada | extant | native | yes | |||
| Chile | extant | vagrant | ||||
| Colombia | extant | native | ||||
| Costa Rica | extant | native | yes | |||
| Dominican Republic | extant | vagrant | ||||
| Ecuador | extant | native | ||||
| El Salvador | extant | native | ||||
| Guatemala | extant | native | ||||
| Honduras | extant | native | ||||
| Mexico | extant | native | ||||
| Nicaragua | extant | native | ||||
| Norway | extant | vagrant | ||||
| Panama | extant | native | ||||
| Paraguay | extant | native | ||||
| Peru | extant | native | ||||
| Trinidad and Tobago | extant | vagrant | ||||
| Uruguay | extant | native | yes | |||
| USA | extant | native | yes | |||
| Venezuela | extant | native |
| Country/Territory | IBA Name |
|---|---|
| Mexico | Centro de Veracruz |
| Mexico | Istmo de Tehuantepec - Mar Muerto |
| Habitat (level 1) | Habitat (level 2) | Importance | Occurrence |
|---|---|---|---|
| Artificial/Terrestrial | Arable Land | suitable | non-breeding |
| Grassland | Subtropical/Tropical Dry | suitable | breeding |
| Grassland | Temperate | major | non-breeding |
| Grassland | Temperate | major | breeding |
| Grassland | Tundra | suitable | breeding |
| Savanna | Dry | suitable | breeding |
| Savanna | Dry | suitable | non-breeding |
| Shrubland | Subtropical/Tropical Dry | suitable | breeding |
| Shrubland | Temperate | suitable | breeding |
| Altitude | 500 - 2100 m | Occasional altitudinal limits | (max) 2800 m |
Recommended citation
BirdLife International (2024) Species factsheet: Swainson's Hawk Buteo swainsoni. Downloaded from
https://datazone.birdlife.org/species/factsheet/swainsons-hawk-buteo-swainsoni 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.