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Red-shouldered Hawk (also known as Hen-hawk)
Secondary flight feather (Remex)

Red-shouldered Hawk (also known as Hen-hawk)

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

Family: Accipitridae (Hawks, Eagles, and Allies)

Shape
Broad and slightly asymmetrical with a rounded, blunt tip. The trailing edge is fuller than the leading edge, typical of secondary feathers in soaring hawks.
Size
Estimated 7.5 to 9 inches (19-23 cm) in length. This size is consistent with the inner to mid-secondary feathers of an adult Red-shouldered Hawk.
Rarity
Common; one of the most frequently seen and heard raptors in wooded suburban and rural areas of the Eastern US.
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Description

This feather belongs to a medium-sized Buteo characterized by its 'reaching' scream and colorful plumage. Adult birds have a rufous-colored breast and distinctive reddish-orange 'shoulders'. The wings are checkered black and white, which is reflected in the high-contrast banding of this specific secondary feather.

Colour & Pattern

Bold, high-contrast pattern. The ground color is white or creamy-white, marked with 6-7 distinct, dark chocolate-brown to blackish horizontal bars. The tip has a broad dark terminal band followed by a thin white edge.

Barb Structure

Tightly interlocked pennaceous barbs throughout most of the vane for aerodynamic integrity, with a small plumulaceous (downy) section at the base (superior umbilicus).

Texture & Surface

Smooth, stiff, and somewhat glossy on the dorsal side; the ventral side has a more matte, silvery finish. The vane is firm and holds its shape well when manipulated.

Key Features

Bold white-and-dark banding, rounded tip, and the specific number of bars are diagnostic for Buteo lineatus, distinguishing it from the mottled patterns of Red-tailed Hawks.

Habitat

Found in deciduous and mixed woodlands, often near water sources such as rivers, swamps, and flooded forests. They prefer canopy cover for nesting.

Geographic Range

Common throughout the Eastern United States and along the coast of California and northern Mexico. Eastern populations are partially migratory.

Ecological Role

An apex predator in woodland ecosystems, they control populations of small mammals, amphibians, and reptiles (notably snakes).

Similar Species

Broad-winged Hawk (smaller, fewer bars), Red-tailed Hawk (usually more mottled or less crisply banded on secondaries), and Cooper's Hawk (more elongated, different banding ratio).

Interesting Facts

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

Condition Notes

Good condition. The edges show minor wear (fraying) consistent with a naturally molted feather. No significant fault bars or parasite damage visible.

Notes

Some hawk