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LC
Swainson's Hawk Buteo swainsoni

IUCN Red List history

Year Category
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 -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 988,000 medium
Extent of Occurrence non-breeding (km2) 988,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Stable -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 10 - - -
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 Occurrence status Presence Breeding Non-breeding Passage
Argentina Native Extant      
Belize Native Extant      
Bolivia Native Extant      
Brazil Native Extant      
Canada Native Extant Yes    
Chile Vagrant Extant      
Colombia Native Extant      
Costa Rica Native Extant   Yes  
Dominican Republic Vagrant Extant      
Ecuador Native Extant      
El Salvador Native Extant      
Guatemala Native Extant      
Honduras Native Extant      
Mexico Native Extant      
Nicaragua Native Extant      
Norway Vagrant Extant      
Panama Native Extant      
Paraguay Native Extant      
Peru Native Extant      
Trinidad and Tobago Vagrant Extant      
Uruguay Native Extant   Yes  
USA Native Extant Yes    
Venezuela Native Extant      

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Colombia Cañón del Río Combeima site factsheet
Mexico Istmo de Tehuantepec-Mar Muerto site factsheet
Panama Barro Colorado Nature Monument site factsheet
Panama Camino de Cruces National Park site factsheet
Panama Metropolitan Nature Park site factsheet
Panama Panama Canal West Bank site factsheet
Panama San Lorenzo National Park site factsheet
Panama Soberanía National Park site factsheet

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 breeding
Grassland Temperate major non-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

Utilisation

Purpose Primary form used Life stage used Source Scale Level Timing
Pets Whole Adults and juveniles Wild International Non-trivial Recent

Recommended citation
BirdLife International (2014) Species factsheet: Buteo swainsoni. Downloaded from http://www.birdlife.org on 19/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/04/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Accipitridae (Osprey, kites, hawks and eagles)
Species name author Bonaparte, 1838
Population size mature individuals
Population trend Stable
Distribution size (breeding/resident) 988,000 km2
Country endemic? No
Links to further information
- Summary information on this species