
Great Blue Heron
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Pelecaniformes, Family: Ardeidae, Genus: Ardea, Species: Ardea herodias
Family: Ardeidae (Herons, Egrets, and Bitterns)
- Shape
- Broadly elliptical with a slightly asymmetrical vane and a rounded tip
- Size
- Approximately 7 to 9 inches (18-23 cm) in length; the width is broad, fitting the mid-range for secondary feathers of this species.
- Rarity
- Common and widespread throughout its range.
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Description
This is a large secondary flight feather from a Great Blue Heron, a majestic wading bird standing up to 4 feet tall with a 6-foot wingspan. The bird is characterized by its long neck, shaggy breast plumes, and lean, grayish-blue body. In flight, it carries its neck in an 'S' curve, which is a key field mark.
Colour & Pattern
Solid slate-blue or bluish-gray throughout the vane. The dorsal surface is slightly darker and more matte than the ventral surface. There are no banding or spotting patterns, which is typical for adult plumage.
Barb Structure
Pennaceous throughout the majority of the vane with a small plumulaceous (downy) section at the base; barbs are tightly interlocked, showing a high level of water-shedding efficiency.
Texture & Surface
Smooth and slightly waxy to the touch with a matte finish; the leading edge is stiff to maintain airfoil integrity during flight.
Key Features
Large size, uniform blue-gray coloration, rounded tip, and a relatively thick, dark rachis characteristic of large wading birds.
Habitat
Wetlands, marshes, lake shores, riverbanks, and coastal tidal flats; also found in damp meadows and agricultural fields.
Geographic Range
Extensive range across North and Central America, from southern Canada to the West Indies and Galapagos; northern populations are migratory.
Ecological Role
Apex predator in wetland ecosystems, controlling populations of fish, amphibians, and small mammals; often used as an indicator species for wetland health.
Similar Species
Sandhill Crane (more brownish-gray and larger), Great Egret (pure white), and Blue-gray Gnatcatcher (significantly smaller).
Interesting Facts
Great Blue Herons have specialized 'powder down' feathers that they crush with their middle toes to create a powder used to clean fish slime and oils from their plumage.
Condition Notes
Good condition; slight fraying at the tip and along the trailing edge suggests it is a naturally molted feather from a previous breeding season.