
American Crow
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: brachyrhynchos
Family: Corvidae (Crows and Jays)
- Shape
- Strongly asymmetrical with a narrow leading edge and a broader trailing edge; the tip is moderately rounded with visible emargination near the midpoint of the outer web.
- Size
- Approximately 7-9 inches (18-23 cm) in length. This is consistent with the mid-sequence primaries of an adult American Crow, which typically range from 15cm to 25cm depending on the specific position.
- Rarity
- Very Common. One of the most ubiquitous and easily recognized birds in North America.
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Description
This feather belongs to the American Crow, a large, all-black passerine known for its intelligence. The bird typically measures 16-21 inches with a wingspan of up to 39 inches. They are social birds, often seen in large communal roosts. In flight, they have a methodical, steady wingbeat and a squared-off tail.
Colour & Pattern
Uniformly iridescent black/dark charcoal. Under direct light, it exhibits a subtle violet or blue-green sheen characteristic of adult corvids. The underside (ventral) is slightly more matte and greyish-black.
Barb Structure
Firmly interlocked pennaceous barbs throughout most of the vane to provide aerodynamic lift. The base shows plumulaceous (downy) barbs for insulation. The barbs are dense and well-maintained.
Texture & Surface
Smooth, glossy, and highly rigid. The surface has a waxy feel that provides water resistance. The leading edge is stiff to resist air pressure during flight.
Key Features
Solid black coloration with iridescent sheen, strong asymmetry characteristic of primary remiges, and a sturdy, dark rachis. Lack of white or grey banding distinguishes it from raptors.
Habitat
Extremely versatile; found in open woodlands, agricultural fields, urban parks, suburban yards, and shorelines. They avoid dense, unbroken forests.
Geographic Range
Widespread across North America, from southern Canada throughout the United States to 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 predate on other birds' eggs.
Similar Species
Common Raven (larger, more wedge-shaped tail feathers), Fish Crow (nearly identical, requires size/voice comparison), and various blackbirds (significantly smaller).
Interesting Facts
Crows are among the most intelligent animals, capable of using tools, recognizing individual human faces, and mourning their dead in 'funerals.' They can even solve multi-step puzzles.
Condition Notes
Good to Fair. There is some mechanical damage and separation of the barbs ('zipped' barbs) on the lower trailing edge, likely due to wear or impact. The calamus is intact, suggesting a natural molt.