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Red-shouldered Hawk (Red-shouldered Hawk, Red-shoulder)
Flight feather, secondary remige

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