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Bald Eagle (American Eagle)
Flight feather, primary or secondary remige

Bald Eagle (American Eagle)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Haliaeetus, Species: Haliaeetus leucocephalus

Family: Accipitridae (Hawks, Eagles, and Kites)

Shape
Slightly asymmetrical vane with a rounded to slightly blunt tip; broad contour tapering towards the distal end.
Size
Approximately 10 to 12 inches long, consistent with a medium-to-large wing covert or secondary flight feather from a mature Bald Eagle.
Rarity
Common in suitable wetland and coastal habitats across its protected range, having recovered significantly from historical lows.
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Description

The Bald Eagle is North America's iconic raptor, instantly recognizable in adulthood by its snow-white head and tail contrasting with a dark brown body and bright yellow bill. They are large, powerful birds of prey with wingspans reaching up to seven feet, known for soaring gracefully on broad wings and capturing fish with specialized talon structures.

Colour & Pattern

Striking bi-color pattern with a stark white basal and central portion contrasting sharply with a solid dark brown or black distal tip.

Barb Structure

Tightly interlocked pennaceous structure with well-developed barbicels and hooklets along the vanes, ensuring aerodynamic stability.

Texture & Surface

Smooth, firm, and stiff with a matte to slightly glossy finish, optimized for reducing air resistance during flight.

Key Features

Distinctive clean division between pure white and dark black-brown pigmentation on a stiff, robust flight feather shaft.

Habitat

Found near large bodies of open water—such as lakes, reservoirs, rivers, and coastal areas—with an abundant food supply and old-growth trees for nesting.

Geographic Range

North America, ranging from Alaska and Canada through the contiguous United States down to northern Mexico.

Ecological Role

Apex avian predator keeping aquatic and terrestrial prey populations balanced. Serves as a vital bioindicator for ecosystem health and aquatic contamination levels.

Similar Species

Golden Eagle (Aquila chrysaetos), whose flight feathers are generally uniformly dark brown or show mottled white patterning rather than a stark clean white-and-black block.

Interesting Facts

Bald Eagles build the largest tree nests recorded for any animal species, sometimes weighing over two tons and used for decades.

Condition Notes

Generally good condition with minor fraying at the extreme tip, indicating normal wear from flight or weathering.