
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
- Asymmetrical vane typical of flight feathers, with a broad inner vane and a narrower outer vane. The tip is slightly rounded to pointed, with a gentle curvature along the rachis.
- Size
- Approximately 10-12 inches (25-30 cm) in length. This is consistent with the secondary feathers of a large Ardeid, which typically fall in the 20-35 cm range.
- Rarity
- Common. One of the most widespread and easily recognized large wading birds in North America.
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Description
This is a majestic flight feather from the Great Blue Heron, the largest heron in North America. The bird stands up to 4 feet tall with a wingspan of 6 feet. It is characterized by its blue-gray plumage, long neck, and dagger-like bill. In flight, they hold their necks in an 'S' curve and flap with slow, powerful wingbeats.
Colour & Pattern
A uniform slaty blue-gray or 'heron blue' across the majority of the vane. The rachis is white to light cream. There is no distinct banding, but a subtle gradient exists from a darker gray at the tip to a lighter, almost silvery gray toward the base.
Barb Structure
Primarily pennaceous with a firm, interlocked vane. The base of the feather shows a small amount of plumulaceous (downy) structure. Barbules are tightly zipped, maintaining a coherent surface for flight.
Texture & Surface
The surface is matte with a slightly silky feel. It lacks the oily sheen of waterfowl but possesses a 'powder' texture characteristic of herons, who produce powder down to clean and waterproof their plumage.
Key Features
Large size, uniform blue-gray coloration, white rachis, and the presence of fine powder-down residue on the barbs.
Habitat
Freshwater and saltwater wetlands, including marshes, swamps, lake shores, tide flats, and riverbanks. They are highly adaptable to any environment with shallow water for foraging.
Geographic Range
Resident or short-distance migrant across North and Central America, ranging from Alaska and Canada down to the West Indies and Galapagos Islands.
Ecological Role
Apex predator in wetland ecosystems, controlling populations of fish, amphibians, and small mammals. They serve as excellent indicators of wetland health.
Similar Species
Sandhill Crane feathers (can be more brownish or rusty), Great Egret (pure white), and Blue-gray Gnatcatcher (much smaller).
Interesting Facts
Herons have specialized 'powder down' feathers that grow continuously and crumble into a fine dust. They use their fringed middle toes to comb this powder into their feathers to remove fish slime and oils.
Condition Notes
Good to Excellent. The vane is mostly intact with minimal fraying at the edges. No significant fault bars or sun bleaching are visible, suggesting it was recently molted.