
American Crow (Common Crow)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: C. brachyrhynchos
Family: Corvidae (Crows and Jays)
- Shape
- Asymmetrical vane with a pointed and slightly curved tip, typical of outer wing primaries. The leading edge is narrow and straight, while the trailing edge is broader with slight emargination near the tip.
- Size
- Approximately 7 to 9 inches long, consistent with a medium-sized corvid primary flight feather. Primaries for this species typically range from 6 to 10 inches depending on the exact feather position.
- Rarity
- Very Common
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Description
The American Crow is a familiar, intelligent, and highly adaptable black bird known for its loud caw and complex social behavior. Entirely black from head to tail with a strong, stout bill and fan-shaped tail, crows are often seen in large, noisy flocks outside of the breeding season.
Colour & Pattern
Deep solid black with rich iridescent blue and purple sheens under direct sunlight, caused by structural coloration of the melanin-pigmented keratin. The underside is a duller, matte charcoal black with a lighter gray-white base along the calamus.
Barb Structure
Tightly interlocked and pennaceous across the vane for aerodynamic efficiency. The barbs feature microscopic hooklets (barbicels) ensuring a strong, continuous surface. The base of the inner vane shows a small semiplume-like fluffy patch.
Texture & Surface
Smooth, glossy, and stiff along the pennaceous vanes. The upper surface has a polished, reflective quality due to structural iridescence, while the underside is somewhat matte.
Key Features
Solid iridescent black coloration, asymmetrical narrow primary shape with a pointed tip, and strong stiff rachis transitioning from black to a pale whitish-gray calamus at the base.
Habitat
Extremely adaptable, found in open woodlands, agricultural fields, pastures, orchards, parks, urban and suburban neighborhoods, and along coastlines.
Geographic Range
Widespread across North America, ranging from southern Canada through the United States to northern Mexico. Non-migratory across most of its range, though northern populations may shift slightly south in severe winters.
Ecological Role
Acts as an important generalist scavenger, seed disperser, and predator of insects and small vertebrates, helping to control pest populations and clean up organic matter.
Similar Species
Fish Crow (Corvus ossifragus) and Common Raven (Corvus corax). Fish crow feathers are virtually identical but smaller, while common raven primary feathers are significantly larger, broader, and possess heavier, more robust shafts.
Interesting Facts
American crows are among the most intelligent birds on earth, capable of recognizing individual human faces, using tools, solving multi-step puzzles, and passing complex knowledge down through generations.
Condition Notes
Good condition. The feather is structurally intact with minimal wear at the tip and no major fraying or fault bars, indicating it was likely dropped during the natural annual molt.