
American Crow
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus brachyrhynchos
Family: Corvidae (Crows, Jays, and Magpies)
- Shape
- Highly asymmetrical vane, typical of flight feathers. The tip is rounded and slightly blunt, with a broad trailing vane and a narrow, stiff leading vane.
- Size
- Approximately 18-22 cm in length. This matches the standard primary flight feather size for an adult American Crow, which generally ranges from 15 to 25 cm depending on the specific position (P1-P10).
- Rarity
- Very Common. One of the most ubiquitous and easily recognized birds in North America.
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Description
A robust, all-black bird with a thick bill. This feather is a primary wing feather, essential for the crow's hallmark steady, rowing flight pattern. Crows are known for their social complexity and high intelligence.
Colour & Pattern
Uniform iridescent black or very deep brownish-black (common in weathered or older feathers). The ventral surface (underside) is slightly more matte and gray-toned than the dorsal surface. No banding or spots are present.
Barb Structure
The distal portion is pennaceous with tightly interlocked barbs for flight efficiency. The proximal base near the calamus shows plumulaceous (downy) barbs for insulation. Barbules are intact with no significant fraying.
Texture & Surface
Smooth, stiff, and somewhat glossy on the dorsal side. The vane is rigid to withstand the pressures of flight, while the base remains soft and flexible.
Key Features
Uniform black coloration, asymmetrical flight vane, pale sturdy calamus, and rounded tip. Lack of any markings or banding is a diagnostic trait for many corvids.
Habitat
Extremely versatile: found in open woodlands, agricultural fields, city parks, suburban yards, and shorelines. They avoid only dense, unbroken coniferous forests.
Geographic Range
Widespread throughout North America, ranging from central Canada to southern Florida and northern Mexico. Most populations are year-round residents, though northernmost birds may migrate south.
Ecological Role
Omnivorous scavengers and predators. They play a vital role in cleaning up carrion and controlling insect populations, though they also impact songbird populations by predating nests.
Similar Species
Common Raven (larger, more pointed tip, wedge-shaped tail feathers), Fish Crow (nearly identical, requires size comparison or vocalization to distinguish), and Brewer's Blackbird (much smaller).
Interesting Facts
Crows recognize individual human faces and can communicate to other crows whether a person is a threat. They are also known to use tools, such as using sticks to extract larvae.
Condition Notes
Good condition. The vane is well-zipped, though the slight brownish tint suggests some sun-bleaching or that the feather is from a juvenile/older molt cycle.