
American Crow (Common Crow)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus brachyrhynchos
Family: Corvidae (Crows, Jays, and Ravens)
- Shape
- Asymmetrical vane; the leading edge is narrower than the trailing edge. The tip is slightly rounded with a distinct tegmen or notch on the inner vane, characteristic of large passerines.
- Size
- Approximately 18-24 cm (7-9.5 inches) long. This size is consistent with an adult American Crow's mid-outer primary wing feathers.
- Rarity
- Very Common; one of the most widespread and easily observed bird species in North America.
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Description
This is a robust black feather from the American Crow, a large and highly intelligent perching bird. Crows are known for their social nature, complex communications, and solid black plumage, which appears to shimmer in sunlight. This primary feather is a critical component of their broad, rounded wing shape that allows for flapping flight and hovering.
Colour & Pattern
Uniformly iridescent black or deep charcoal grey. Under certain lighting, it displays a subtle violet or blue sheen due to physical structural coloration in the melanin. The ventral (under) side is slightly more matte.
Barb Structure
Mainly pennaceous and tightly interlocked with microscopic hooklets for aerodynamic efficiency; plumulaceous (downy) barbs are visible near the base of the calamus.
Texture & Surface
Smooth, stiff, and slightly glossy. The surface has a waxy finish that provides some water resistance and minimizes air friction.
Key Features
Strong asymmetry between the leading and trailing vanes, uniform black coloration with structural iridescence, and a sturdy, dark rachis.
Habitat
Extremely versatile; found in open woodlands, agricultural fields, city parks, suburban yards, shorelines, and forest edges.
Geographic Range
Widespread throughout most of North America, from southern Canada to northern Mexico. Most populations are year-round residents.
Ecological Role
Omnivorous scavengers and predators; they play a key role in nutrient cycling and seed dispersal, while also acting as an 'alarm' system for other wildlife when predators are near.
Similar Species
Common Raven feathers (larger, more wedge-shaped), Fish Crow (nearly identical, requires size/voice/location for ID), and Turkey Vulture (much larger, silver-grey underside).
Interesting Facts
Crows are capable of facial recognition and can remember individual humans for years. They are also known to use tools, such as using sticks to extract insects from wood.
Condition Notes
Fair to Good; the feather shows some minor 'zipper' separation of the barbs and slight wear at the tip, suggesting it may have been molted naturally at the end of the breeding season.