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Red-shouldered Hawk
Tail feather (rectrix), likely one of the outer rectrices

Red-shouldered Hawk

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

AI-generated identification · may be incorrect

Family: Accipitridae (Hawks, Eagles, and Kites)

Shape
Symmetrical to slightly asymmetrical vane with a broad, squared-off or slightly rounded tip. Typical rectrix shape for a medium-sized Buteo hawk.
Size
Approximately 8 to 10 inches long, consistent with a tail feather from a medium-sized raptor. Rectrices for this species typically range between 8-11 inches.
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Description

A medium-sized hawk with broad rounded wings and a long tail. Adults feature a reddish breast, reddish-barred shoulders, and a distinctly banded tail with narrow white stripes. They are known for their noisy, screaming calls.

Colour & Pattern

Striking pattern of bold, narrow white or pale grey horizontal bands alternating with wider dark brown or black bars against a rich reddish-brown background. The rachis is whitish or pale grey.

Barb Structure

Pennaceous vane structure with tightly interlocked barbs and barbicels along the upper portion, transitioning to a slightly more plumulaceous, fluffy base near the calamus.

Rachis & Barb Pattern

Central rachis is robust, pale whitish-cream on the dorsal side, slightly curved, and grooved ventrally. Barbs are tightly packed, dense, and set at a consistent angle.

Texture & Surface

Stiff, firm, and smooth along the pennaceous vane, with a matte appearance. The base is soft and downy.

Feather Placement

Tail (rectrix). Determined by the distinctive narrow alternating black and white banding pattern characteristic of the tail feathers of this species.

Key Features

Bold, narrow white and dark banding across a reddish-brown or dark background, typical of tail feathers from this species.

Habitat

Deciduous and mixed lowland forests, swamp forests, river bottoms, and wooded riparian zones, often near water.

Geographic Range

Resident across eastern North America, along the Pacific coast of California, and extending down into parts of Mexico.

Ecological Role

Acts as an apex avian predator helping regulate small mammal, reptile, and amphibian populations in forested and wetland ecosystems.

Similar Species

Broad-winged Hawk and Red-tailed Hawk. Broad-winged tail bands are broader and fewer in number; Red-tailed Hawk tail feathers are typically uniform brick red without multiple dark and light bands (except in juveniles).

Interesting Facts

Red-shouldered Hawks are fond of soaring and often use the same nest year after year, sometimes adding fresh greenery to the structure.

Cultural Significance

Feathers of North American raptors hold cultural significance for many Native American tribes. Historically used in various traditional regalia and ceremonies.

Field Identification Tips

Look for molted raptor feathers beneath mature forest canopies, near woodland streams, or around known nesting trees, particularly during late summer and early autumn.

Condition Notes

Good condition, fresh appearance with intact barbs and minimal fraying at the tip. No major structural damage or fault bars observed.

Notes

Backyard