
Red-shouldered Hawk (Red-shouldered Hawk, Red-shoulder)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Buteo, Species: B. lineatus
Family: Accipitridae (Hawks, Eagles, Kites, and Harriers)
- Shape
- Slightly asymmetrical vane with a rounded tip, broad outline, typical of a mid-to-inner secondary flight feather
- Size
- Approximately 7 to 9 inches long, consistent with a medium-sized raptor secondary flight feather
- Rarity
- Common
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Description
The Red-shouldered Hawk is a medium-sized forest raptor characterized by its reddish-brown shoulder patches, checkered wings, and finely barred underparts. Known for its noisy, screaming calls, it soars gracefully over woodlands and wetland edges.
Colour & Pattern
Distinctive dark brown to blackish background with crisp, contrasting white or pale buff barring and spotting along the vanes, characteristic of raptor flight feathers
Barb Structure
Pennaceous structure with tightly interlocked barbs and barbicels on the upper vane, grading into a slightly looser plumulaceous structure near the base
Texture & Surface
Stiff, smooth, and semi-glossy on the dorsal surface, designed to withstand aerodynamic pressure during flight
Key Features
Contrasting dark brown and white horizontal barring across the flight feathers, combined with a pale shaft and moderate length typical of a Buteo secondary
Habitat
Deciduous and mixed forests, often near rivers, swamps, and wetlands
Geographic Range
Resident across eastern North America, along the Pacific coast of California, and parts of northeastern Mexico
Ecological Role
Acts as an apex avian predator helping to regulate populations of small mammals, amphibians, and reptiles in forest ecosystems
Similar Species
Broad-winged Hawk and Red-tailed Hawk; distinguished by specific bar width, contrast patterns, and exact dimensions
Interesting Facts
Red-shouldered Hawks frequently reuse the same nest year after year and are often harassed by smaller birds like blue jays and crows defending their territories
Condition Notes
Good condition with intact barbs, minor natural wear at the tip, and clean shaft alignment with no major fault bars or fraying