
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
- Narrowly elongated and distinctly asymmetrical; the leading (outer) vane is significantly narrower than the trailing (inner) vane. The tip is slightly tapered/pointed.
- Size
- Approximately 12-14 inches (30-36 cm) in length. This is consistent with the primary feathers of a large Ardeid, which typically range from 11 to 15 inches.
- Rarity
- Common and widespread within its range; one of the most frequently observed large waterbirds in North America.
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Description
This is a large primary feather from a Great Blue Heron, a majestic wading bird standing up to 4 feet tall. The bird has a blue-gray body, a white head with a black stripe, and a long, dagger-like yellow bill. In flight, they are known for their slow, deep wingbeats and tucked-in necks.
Colour & Pattern
Slate-gray to bluish-gray base color on the vanes. The rachis is pale cream to ivory at the base, darkening slightly toward the tip. No distinct banding or spotting, showcasing a uniform melanistic saturation typical of adult plumage.
Barb Structure
Primarily pennaceous with a stiff, interlocked structure required for flight. The base of the feather shows some plumulaceous (downy) barbs near the calamus for insulation.
Texture & Surface
Matte finish with a slightly dusty or chalky feel due to 'powder down' common in herons. The vane is stiff and resilient, though the trailing edge feels softer than the leading edge.
Key Features
Large size, distinct blue-gray coloration, extreme asymmetry of the vanes, and the pale, thick rachis.
Habitat
Highly versatile; found in freshwater and saltwater marshes, mangrove swamps, flooded meadows, lake edges, and shorelines.
Geographic Range
Widespread across North and Central America, including parts of the Galapagos and Caribbean. Most northern populations are migratory, while southern ones are year-round residents.
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 (more brownish-gray, different rachis texture), Great Egret (pure white), and South American Cocoi Heron (nearly identical).
Interesting Facts
Herons have 'powder down' feathers that they crush with a specialized fringed middle toe claw to create a powder used to clean fish slime and oils from their plumage.
Condition Notes
Good to Fair condition. There is visible separation of the barbs ('zipped' parts have unhooked) near the tip and mid-vane, likely due to handling or natural wear before molting. The calamus appears intact.