Mangoverde :: World Bird Guide :: Hawks, Eagles and Kites :: Swainson's Hawk

Swainson's Hawk Buteo swainsoni

Described by: Bonaparte (1838)
Alternate common name(s): None known by website authors
Old scientific name(s): None known by website authors


Solano County, California, USA - Aug 5, 2007 © Glen Tepke  Solano County, California, USA - Aug 5, 2007 © Glen Tepke  Solano County, California, USA - Aug 5, 2007 © Glen Tepke  Location unknown - Date unknown © Kees Bakker  Steamboat Springs, Routt County, Colorado, USA - Apr 25, 2003 © Kent Nickell 
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W. and c. North America; Alaska; Ex. nw. Canada;
One main population and several small isolated populations;
Ec. Alaska. Nw. Canada (Yukon and Mackenzie). Sw. and c. Canada (c. Alberta, c. Saskatchewan, c. Manitoba) and w. United States e. to w. and s. Minnesota, w. Illinois, w. Missouri, c. Arkansas, c. and s. Texas, s. to s. California and nc. Mexico (Sonora, Durango, Chihuahua). Formerly to the Baja.
Winters mostly in South America, especially in n. Argentina (La Pampa, Cordoba, Buenos Aires and Santa Fe), s. Brazil and Paraguay. A few bird winter over in the sw. and s. United States (California, Texas and Florida where it winters regularly).
North America n. of Mexican border
Summer: isolated populations in c. ALK and nw. MAC. S. BCO, s. ALB, s. SAS, s. MAN, s. through e. WAS, e. ORG, ne. and c. valley of CAL, c. ARZ e. through NEV, IDH, UTH, MON, WYO, COL, NMX, NDK, SDK, e. to se. MIN, c. IWA, NEB, KAN, nw. and sw. MOU, TEX, OKA;
Winter: ex. s. FLA.


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Location unknown - Date unknown Source:


Clements, James F. Birds of the World: A Checklist. Vista, CA: Ibis Publishing Company, 2000.


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