
Bald Eagle (American Eagle)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Accipitriformes, Family: Accipitridae, Genus: Haliaeetus, Species: Haliaeetus leucocephalus
AI-generated identification · may be incorrectFamily: Accipitridae (Hawks, Eagles, and Kites)
- Shape
- Symmetrical to slightly asymmetrical vane, broad and rounded at the tip, robust outline
- Size
- Approximately 10 to 14 inches long, consistent with large raptor flight feathers; typical for adult or sub-adult Bald Eagle
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Description
A magnificent large flight feather from the iconic Bald Eagle, featuring a striking dark brown upper tip and a contrasting pale base. The Bald Eagle is a large raptor with a dark brown body, distinctive white head and tail (in adults), and a massive yellow beak.
Colour & Pattern
Rich dark brown to nearly black distal tip blending into lighter grayish-brown and crisp white toward the base and inner vane, showcasing typical sub-adult or adult patterning
Barb Structure
Strongly pennaceous with tightly interlocked barbs and barbules featuring well-developed hooklets for aerodynamic efficiency; intact with minimal fraying
Rachis & Barb Pattern
Sturdy, thick central rachis that is pale ivory to white at the base and dark brown distally, featuring dense, tightly angled barbs forming a smooth surface
Texture & Surface
Stiff, smooth, and rigid with a matte finish, designed to withstand high aerodynamic pressure during flight
Feather Placement
Wing remige, specifically a secondary flight feather or primary cover, determined by its broad vane and symmetrical-to-moderate asymmetry
Key Features
Distinctive large size, strong robust shaft shifting from white to dark brown, and a clean demarcation between the dark distal portion and pale proximal base
Habitat
Found near large bodies of open water with old-growth trees for nesting, including lakes, reservoirs, rivers, coasts, and marshes
Geographic Range
North America, ranging from Alaska and Canada down through the contiguous United States to Mexico, typically year-round in suitable aquatic habitats
Ecological Role
Apex avian predator playing a crucial role in maintaining healthy aquatic ecosystems by preying primarily on fish, waterfowl, and scavenging carrion
Similar Species
Golden Eagle (Aquila chrysaetos), which features more uniform dark brown feathers or subtle barring without the clean white basal contrast typical of many Bald Eagle flight feathers
Interesting Facts
Bald Eagles build the largest nests of any North American bird, sometimes reusing the same nest for decades and adding material until it weighs over a ton
Cultural Significance
Deeply sacred to many Indigenous American cultures, symbolizing strength, courage, and spiritual connection; historically restricted and strictly regulated
Field Identification Tips
Look near large bodies of water, beneath tall roosting trees, or near active nests during late spring and summer molt periods
Condition Notes
Good condition with minor wear at the very tip, barbs mostly intact and well-aligned, showing natural maturity rather than active damage