14 May, 2010

Swainson's Hawk


Scientific Name: Buteo Swainsoni

Population Estimate: 490K

Range / Habitat: Summers in the western US and Canada where favors prairie and dry grassland. Forms large kettles on migration to a relatively small region in Argentina.

Field Notes: In flight, pale inner wing / leading edge contrasts with dark flight feathers. The darker morphs, shown above, have uniform rufous breast; lighter morphs have a rufous bib on white breast. White area on face around bill. Smaller than a Red-tailed Hawk.

Personal Notes: Common hawk in Utah and other parts of the American West.

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