
Red-shouldered Hawk
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Accipitriformes; Family: Accipitridae; Genus: Buteo; Species: Buteo lineatus
Family: Accipitridae (Hawks, Eagles, and Kites)
- Shape
- Symmetrical, rounded tip, slightly spatulate with a tapered base
- Size
- Estimated 2.5 to 3.5 inches (6-9 cm) in length, consistent with upper breast or flank contour feathers in this species.
- Rarity
- Common in appropriate habitat; frequently seen in suburban Southern California where tall trees and hunting grounds coexist.
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Description
A medium-sized hawk with a heavy-set body and beautiful translucent windows in the outer primaries during flight. Adults have a striking rufous-colored breast and 'shoulders' (lesser coverts). Their call is a loud, piercing 'kee-aah', often imitated by Blue Jays.
Colour & Pattern
Distinctive alternating bands of warm rufous-brown and clean white. The distal band is brown with a rounded edge, followed by a crisp white bar. This 'checkerboard' or bold banding is a hallmark of the species.
Barb Structure
Densely pennaceous toward the distal end for water repellency, transitioning to highly plumulaceous (fluffy) at the base for insulation.
Texture & Surface
Smooth and somewhat stiff at the tip; soft, downy, and flexible at the base. Matte finish typical of raptor body feathers.
Key Features
Bold, high-contrast horizontal banding; warm reddish-brown melanin; significant downy plumulaceous section at the base.
Habitat
Deciduous and mixed woodlands, often near water sources like rivers, swamps, or suburban parks with mature trees.
Geographic Range
Year-round resident in California and the eastern United States into Mexico. Western populations (B. l. elegans) are concentrated along the Pacific coast.
Ecological Role
Apex predator of small mammals, amphibians, and reptiles. They act as essential population controllers for rodents and snakes.
Similar Species
Cooper's Hawk (longer, more tapered feathers; thinner banding), Red-tailed Hawk (usually lacks such distinct, crisp white banding on body feathers).
Interesting Facts
Red-shouldered Hawks are highly territorial; they will often return to the same nesting territory for many years, sometimes even using the same nest tree year after year.
Condition Notes
Fair to Good. Some separation of the barbs ('basal splits') is visible, likely due to mechanical wear or handling after falling.
Notes
Santa Monica College