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Red-shouldered Hawk
Secondary flight feather (Remiges)

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
Relatively symmetrical with a rounded, blunt tip; broad vane typical of soaring hawks; lacks the deep notches found in primary feathers.
Size
Estimated 8-10 inches (20-25 cm) long; width approximately 1.5-2 inches (4-5 cm). This falls within the typical range for an adult Red-shouldered Hawk's inner secondaries.
Rarity
Common; one of the most frequently encountered forest hawks in its range.
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Description

This feather represents the iconic 'zebra-striped' wing of the Red-shouldered Hawk. The bird itself is medium-sized with a rufous (reddish) chest and shoulders. In flight, they are known for a translucent 'crescent' window near the wingtips and a rapid, rhythmic flapping style interspersed with gliding.

Colour & Pattern

Striking bold pattern consisting of alternating dark chocolate-brown or blackish bands and crisp white to creamy-white bands. The rachis is white at the base, darkening significantly through the pigmented bands.

Barb Structure

Mostly pennaceous and tightly interlocked for flight efficiency; some plumulaceous (downy) structure at the base of the calamus for insulation; barbs appear slightly worn at the edges.

Texture & Surface

Smooth and stiff along the vane with a somewhat matte finish; the upper surface feels slightly waxy to provide wind resistance and some water repellency.

Key Features

High-contrast black-and-white banding; square/rounded tip; lack of extreme asymmetry; consistent band width across the vane.

Habitat

Deciduous or mixed woodlands, often near water sources like rivers, swamps, or wooded wetlands; also common in suburban areas with mature tree canopies.

Geographic Range

Common throughout the Eastern United States and California; many populations are year-round residents, though northern birds may migrate to the Southern US or Mexico.

Ecological Role

Apex predator of small mammals, amphibians, and reptiles; serves as an important indicator of forest and wetland health.

Similar Species

Broad-winged Hawk (shorter, less frequent banding), Red-tailed Hawk (lack bold white bands on wings), Cooper's Hawk (longer, narrower tail feathers with gray/brown banding).

Interesting Facts

Red-shouldered Hawks are highly vocal, often identified by their 'kee-aah' call. Blue Jays are famous for mimicking this specific hawk's call to scare other birds away from feeders.

Condition Notes

Fair to Good; shows some 'chipping' or fraying on the trailing edge (secondary wear) and some slight separation of the barbs, likely a naturally molted feather from the summer season.