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Great Blue Heron
Contour feather, likely a body covert or scapular feather

Great Blue Heron

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Pelecaniformes, Family: Ardeidae, Genus: Ardea, Species: A. herodias

AI-generated identification · may be incorrect

Family: Ardeidae (Herons, Egrets, and Bitterns)

Shape
Slightly asymmetrical vane, rounded tip, elongated and gracefully tapered outline.
Size
Approximately 7-9 inches long, consistent with large contour or scapular feathers of this species.
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Description

The Great Blue Heron is the largest North American heron, standing up to 4 feet tall with a wingspan over 6 feet. It features long legs, a sinuous neck, and a dagger-like bill. Its plumage is predominantly a majestic blue-gray with chestnut flanks and a black plume extending from the head.

Colour & Pattern

Uniform slate-gray or bluish-gray coloration with a pale whitish-to-yellowish central rachis. The vane is solid in color without heavy banding, typical of the upper body plumage of adult herons.

Barb Structure

Pennaceous at the upper portion with tightly interlocked barbs and barbules, becoming slightly more plumulaceous and soft towards the base.

Rachis & Barb Pattern

Central rachis is robust, whitish, slightly curved, and tapering toward the tip. Barbs are densely packed, angled closely to the rachis, creating a smooth and sleek vane surface.

Texture & Surface

Smooth, silky, and relatively stiff along the vane with a matte finish. Lacks oiliness, feeling light and airy yet structurally firm.

Feather Placement

Scapular or upper wing covert region, determined by its size, graceful curve, and slate-gray coloration typical of the mantle or upperparts.

Key Features

Large size, uniform blue-gray slate coloration, strong pale rachis, and tapered, elegant contour shape.

Habitat

Freshwater and saltwater wetlands, marshes, swamps, mangroves, riverbanks, and lake shores.

Geographic Range

Widespread throughout North and Central America, ranging from Alaska and southern Canada down to South America, including the Caribbean.

Ecological Role

Acts as an apex predator in aquatic wetland ecosystems, helping regulate populations of fish, amphibians, rodents, and insects.

Similar Species

Little Blue Heron (Egretta caerulea), which is much smaller with darker slate-blue plumage; Sandhill Crane (Antigone canadensis), which has browner or grayer feathers with a different barb structure.

Interesting Facts

Great Blue Herons can hunt day and night thanks to a high percentage of rod cells in their eyes. They fly with their necks folded into an 'S' shape, unlike cranes and storks which fly with necks outstretched.

Cultural Significance

In Native American folklore, the Great Blue Heron is often viewed as a symbol of wisdom, patience, and self-reliance. Historically, feathers from herons were targeted during the millinery trade of the late 19th and early 20th centuries.

Field Identification Tips

Look for molted feathers near wetlands, lakeshores, or known heron rookeries, especially during late summer and early autumn molt periods.

Condition Notes

Good condition, clean with intact barbs and minimal fraying at the edges, showing typical natural wear.

Great Blue Heron | Feather Identifier