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 -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 6,760,000 medium
Extent of Occurrence non-breeding (km2) 5,660,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals poor estimated 2009
Population trend Stable estimated -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
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 Resident Breeding Non-breeding Passage
Argentina N Extant
Belize N Extant
Bolivia N Extant
Brazil N Extant
Canada N Extant Yes
Chile V Extant
Colombia N Extant
Costa Rica N Extant Yes
Dominican Republic V Extant
Ecuador N Extant
El Salvador N Extant
Guatemala N Extant
Honduras N Extant
Mexico N Extant
Nicaragua N Extant
Norway V Extant
Panama N Extant
Paraguay N Extant
Peru N Extant
Trinidad and Tobago V Extant
Uruguay N Extant Yes
USA N Extant Yes
Venezuela N Extant

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Colombia Cañón del Río Combeima
Mexico Corredor de Barrancas de la Sierra Madre Occidental
Mexico Istmo de Tehuantepec-Mar Muerto
Panama Barro Colorado Nature Monument
Panama Camino de Cruces National Park
Panama Metropolitan Nature Park
Panama Panama Canal West Bank
Panama San Lorenzo National Park
Panama Soberanía National Park

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

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 (2019) Species factsheet: Buteo swainsoni. Downloaded from http://www.birdlife.org on 19/03/2019. Recommended citation for factsheets for more than one species: BirdLife International (2019) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 19/03/2019.