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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