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Red-shouldered Hawk
Secondary flight feather (Remex), likely from the mid-wing section

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
Broad and somewhat rectangular with a rounded tip; slightly asymmetrical vane characteristic of secondary feathers, lacking the deep notches or emargination seen in primaries.
Size
Approximately 7-9 inches in length. This is consistent with a secondary feather for a medium-sized Buteo; primaries for this species are longer (10-12 inches).
Rarity
Common; one of the most frequently seen and heard raptors in wooded suburban and riparian areas.
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Description

The Red-shouldered Hawk is a medium-sized raptor known for its striking rufous (orange-red) barring on the chest and distinctive translucent 'crescents' near the wingtips in flight. It has a wingspan of about 37-43 inches. In flight, their rapid wingbeats followed by short glides and their very loud 'kee-aah' call make them easily identifiable.

Colour & Pattern

Highly diagnostic 'checkerboard' or barred pattern consisting of broad, dark brown to charcoal-grey bands alternating with crisp white to creamy-white bands. The rachis is dark where it crosses dark bands and lighter where it crosses white bands.

Barb Structure

Mostly pennaceous and tightly interlocked for flight efficiency, with a small plumulaceous (downy) section at the base (superior umbilicus) for insulation.

Texture & Surface

The dorsal surface is smooth and slightly glossy to minimize air friction, while the ventral surface is more matte. The leading edge is stiff and resistant to fraying.

Key Features

Distinctive high-contrast black/brown and white barring; rounded tip; lacks the terminal dark band typical of Red-tailed Hawk tails; size and width specific to Buteos.

Habitat

Deciduous and mixed woodlands, often near water sources such as rivers, swamps, and marshes. They prefer areas with tall trees for nesting and open understories for hunting.

Geographic Range

Year-round resident in the Eastern United States, California, and Mexico. Northern populations in the Great Lakes region and Northeast may migrate to the Southern US in winter.

Ecological Role

An important apex predator that controls populations of small mammals, snakes, and frogs. They are indicators of healthy, mature forest ecosystems with available water.

Similar Species

Red-tailed Hawk (feathers are usually more mottled, less crisply barred); Broad-winged Hawk (smaller, fewer and broader white bands); Cooper's Hawk (longer, more tapered feathers with different grey/brown banding).

Interesting Facts

They are highly territorial and will return to the same nesting territory year after year. They are 'perch hunters,' often dropping down from a branch to capture amphibians, reptiles, or small mammals.

Condition Notes

Good to Fair. There is some minor separation of the barbs near the base (fraying), likely from impact or natural wear before being molted. The colors remain vibrant with no significant sun-bleaching.