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Juvenile. Young Swainson's Hawks have pale edges to the upperwing coverts creating a scalloped appearance.
- Overview
A classic species of the open country of the Great Plains...
- Maps
A classic species of the open country of the Great Plains...
- Red-tailed Hawk Adult Light Morph (Borealis)
Juvenile dark morph. Dark-morph immatures can be quite...
- Life History
Swainson’s Hawk numbers increased steadily, over 1% per...
- Sounds
The piercing call lasts 2–3 seconds, fading at the end. The...
- Overview
Swainson's hawk is a raptor and a medium-sized member of the genus Buteo. It broadly overlaps in size with the red-tailed hawk (B. jamaicensis), a related species found as a breeding resident almost throughout North America.
Juvenile is orangey to whitish underneath, lacks a bib, and is faintly to moderately streaked on chest with slightly paler flight feathers. Juvenile has pale-fringed upperwing coverts and pale head. Eyes are pale to light brown. Sub-adult similar to juvenile underneath but typically more heavily marked with adult-like upperside and flight ...
Longer-winged than Red-tailed Hawk, but otherwise the same size. Found in prairies and agricultural regions of western U.S. and Canada in warm months. Varies in color from rather pale with white belly to completely brown.
Swainson's Hawk - light-intermediate type juvenile; Markings on breast and belly extend to legs. Those are the three color types that I have encountered most often in the field, however, like I mentioned, there are a few other types the juvenile birds can come in.
There are three distinct ages of Swainson’s Hawk that can easily be recognized in the field, with little effort. They are the juvenile, subadult (also known as ‘immature’ or ‘basic 1’), and adult stages. Each of these ages can come in a variety of color-types.
This slim and graceful hawk is a common sight over grasslands of the Great Plains and the west, but only in summer: every autumn, most individuals migrate to southern South America. Although Swainson's Hawk is big enough to prey on rodents, snakes, and birds (and does so, while it is raising young), at most seasons it feeds heavily on large ...