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Red-shouldered Hawk (including Florida and California subspecies)
Secondary flight feather (remex), likely from the mid-wing section

Red-shouldered Hawk (including Florida and California subspecies)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Buteo, Species: Buteo lineatus

Family: Accipitridae (Hawks, Eagles, and Kites)

Shape
Generally symmetrical to slightly asymmetrical; rounded tip with a broad, uniform outline and no significant emargination
Size
Estimated 7-9 inches (18-23 cm) in length; the width is approximately 1.5-2 inches, which falls within the standard range for an adult secondary of this species
Rarity
Common; one of the most frequently seen and heard forest hawks in its range
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Description

This is a secondary feather from a medium-sized hawk characterized by its 'checkerboard' wing pattern. The adult bird features a rufous (orange-red) breast and distinctive red patches on the 'shoulders' (lesser coverts). In flight, they show translucent crescents near the wingtips

Colour & Pattern

Boldly banded with alternating dark brownish-black and crisp white-to-cream bars. The dorsal surface shows high contrast, while the ventral surface (visible in backlighting) appears more translucent. The tip is dark

Barb Structure

Densely pennaceous throughout most of the vane for flight efficiency; transition to plumulaceous (downy) texture near the base (calamus); barbs are mostly intact but showing minor separation

Texture & Surface

Smooth and somewhat stiff to the touch; the surface has a slight matte-to-satiny sheen, typical of water-resistant raptor feathers

Key Features

High-contrast black and white banding; rounded tip; lack of heavy gray mottling found in larger hawks; consistent width of bands across the vane

Habitat

Deciduous and mixed woodlands, often near water sources like rivers, swamps, and flooded forests; also increasingly common in suburban areas with mature trees

Geographic Range

Year-round resident in the Eastern United States and along the coast of California and Baja California; northern populations (e.g., Great Lakes region) are migratory

Ecological Role

Apex predator of the forest mid-canopy; feeds on small mammals, amphibians, and reptiles (snakes), helping to control rodent and herpetofauna populations

Similar Species

Broad-winged Hawk (shorter, fewer bands), Red-tailed Hawk (adults have red tails, juveniles have thinner, more numerous bands), and Cooper's Hawk (longer, more narrow tail feathers with different banding)

Interesting Facts

Red-shouldered Hawks are highly vocal, often giving a 'kee-aah' call that Blue Jays frequently mimic. They are known for returning to the same nesting territory year after year, sometimes for decades

Condition Notes

Good condition; showing slight wear at the tip and some barb separation on the trailing edge, suggesting it may be a molted feather from the late summer or early fall