
Likely Red-winged Blackbird
Kingdom Animalia; Phylum Chordata; Class Aves; Order Passeriformes; Family Icteridae; Genus Agelaius; Species Agelaius phoeniceus
AI-generated identification · may be incorrectFamily: Icteridae (New World blackbirds, orioles, and allies)
- Shape
- Long, narrow, and slightly asymmetrical, with a rounded-to-pointed tip and a relatively straight outline.
- Size
- No scale is visible, so dimensions cannot be reliably estimated. It appears roughly 15–20 cm long, but this is only a visual estimate.
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Description
The feather is dark and slender with a striking orange-red shaft. The likely Red-winged Blackbird is a medium-sized, social blackbird; breeding males are glossy black with red-and-yellow shoulder patches, and give a familiar conk-la-ree call from marshes.
Colour & Pattern
The vane is nearly black to deep brown, with a vivid orange-red shaft that may be natural coloration or a dyed/altered rachis. Red-winged Blackbirds have red-and-yellow shoulder patches, but this feather does not show enough diagnostic pattern to confirm the species.
Barb Structure
Mostly tightly interlocking pennaceous barbs; the lower vane looks loose or frayed, possibly from wear or damage. No aftershaft is evident.
Rachis & Barb Pattern
A prominent, narrow orange-red rachis runs nearly the full length; dark barbs form a dense upper vane and a looser-looking lower section.
Texture & Surface
Appears smooth and matte, with a firm shaft and slightly ragged lower edges; texture and surface feel cannot be judged from the image.
Feather Placement
Probably from the wing, based on its elongated shape and asymmetric vane; the dark color alone does not establish exact placement.
Key Features
The dark vane and unusual bright shaft are conspicuous, but the shaft color is not enough to identify the bird securely. A clear red-and-yellow shoulder patch on a covert would be more diagnostic of a male Red-winged Blackbird.
Habitat
Red-winged Blackbirds favor freshwater and brackish marshes, wet meadows, and nearby grasslands, often nesting in emergent vegetation and foraging in open fields.
Geographic Range
Common across much of North America; many northern birds migrate south for winter, while populations in milder regions are resident.
Ecological Role
This abundant marsh and field bird eats insects and seeds and is prey for raptors and other predators. Wetland loss and agricultural changes affect habitat; its presence can reflect the condition of local marsh and grassland habitats.
Similar Species
Other dark icterid feathers, including Common Grackle and Brown-headed Cowbird, can look similar. Their feathers generally lack a red-and-yellow shoulder patch; a single dark feather may not distinguish them reliably.
Interesting Facts
Male Red-winged Blackbirds defend small territories in dense marsh colonies and display their red shoulder patches during territorial and courtship behavior.
Cultural Significance
Bird feathers have been used in art and traditional practices, but collection and possession may be regulated. In the United States, check applicable laws before keeping wild-bird feathers; the Migratory Bird Treaty Act generally protects native migratory birds.
Field Identification Tips
Look for feathers beneath marsh roosts or near nesting vegetation, then compare with nearby birds and reliable feather references. Record location and include a scale photograph; avoid collecting unless lawful.
Condition Notes
Lower barbs appear somewhat frayed or separated; no obvious fault bars or contamination are visible. Overall condition: Fair, with age and molt status uncertain.