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Bald Eagle (American Eagle)
Flight feather, likely a secondary flight feather

Bald Eagle (American Eagle)

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

Family: Accipitridae (Hawks, Eagles, Kites, and Old World Vultures)

Shape
Slightly asymmetrical vane with a broad, rounded to blunt tip. The leading and trailing edges form a smooth, sweeping contour typical of large raptor wing feathers.
Size
Approximately 12 to 14 inches long, robust and wide, consistent with a large adult secondary flight feather from a mature Bald Eagle.
Rarity
Uncommon to Common locally, depending on proximity to major waterways and protected reserves.
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Description

The Bald Eagle is North America's iconic raptor, famous for its snow-white head and tail contrasting against a dark brown body and wings. Adults possess powerful yellow talons and a massive hooked bill. They are masterful soaring predators, utilizing thermal currents to survey vast aquatic landscapes for fish, waterfowl, and carrion.

Colour & Pattern

Striking bicolored pattern with clean, pure white on the basal half transitioning sharply into a rich, dark brown or near-black coloration on the distal portion. The central rachis is white near the base and darkens along the brown tip.

Barb Structure

Strongly pennaceous with tightly interlocked barbs and well-developed barbicels forming a durable, airtight vane. The base shows minor plumulaceous downy barbs.

Texture & Surface

Stiff, smooth, and rigid with a matte finish. Designed to withstand high aerodynamic pressure without fraying.

Key Features

The distinct high-contrast demarcation between pristine white and deep dark brown across a large, robust rachis is a hallmark of adult Bald Eagle plumage, specifically from the white-feathered regions of the body or wing linings.

Habitat

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

Geographic Range

North America, ranging from Alaska and Canada down through the contiguous United States and into northern Mexico. Primarily resident near aquatic ecosystems.

Ecological Role

Apex avian predator at the top of the aquatic food web, playing a crucial role in maintaining healthy fish and waterfowl populations and serving as a key environmental indicator species.

Similar Species

Golden Eagle (Aquila chrysaetos), whose flight feathers are uniformly dark brown without the stark white contrasting blocks seen in adult Bald Eagle secondary or body feathers.

Interesting Facts

Bald Eagles can dive at speeds up to 100 mph when pursuing prey, though they typically snatch fish from the water's surface without fully submersing themselves. Their nests are among the largest in the animal kingdom, sometimes weighing over two tons.

Condition Notes

Excellent condition with intact barbs, clean edges, and no visible fraying or sun-bleaching, indicating a fresh molt.