LC
Swainson's Hawk Buteo swainsoni



Taxonomy

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: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.
SACC. 2006. 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
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 does not normally occur in forest
Land-mass type Average mass -
Range

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 -
Population
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 distribution
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

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Mexico Centro de Veracruz
Mexico Istmo de Tehuantepec - Mar Muerto

Habitats & altitude
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: Buteo swainsoni. Downloaded from https://datazone.birdlife.org/species/factsheet/swainsons-hawk-buteo-swainsoni on 28/02/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org on 28/02/2024.