
American Crow
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus brachyrhynchos
Family: Corvidae (Crows, Jays, and Ravens)
- Shape
- Relatively symmetrical with a rounded tip; slight curvature characteristic of secondaries, lacking the deep emargination of primary feathers.
- Size
- Approximately 18–22 cm (7–8.5 inches) in length; width is typically 3.5–4.5 cm. This specimen appears within the standard range for an adult American Crow secondary.
- Rarity
- Very Common; one of the most abundant and easily recognized birds in North America.
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Description
This is a sleek, black flight feather from the American Crow. The crow itself is a medium-sized bird with all-black plumage, a heavy bill, and a square-shaped tail in flight. Known for their high intelligence, they are social birds often seen in large murders (flocks).
Colour & Pattern
Uniformly iridescent black. In direct light, it may show a subtle violet or blue-green sheen. The ventral (underside) surface is a flatter, matte charcoal grey or dull black.
Barb Structure
Pennaceous; barbs are tightly interlocked forming a cohesive vane, with a small plumulaceous (downy) section at the base of the calamus for insulation.
Texture & Surface
Smooth and somewhat stiff with a glossy finish on the dorsal side. The trailing edge is flexible, while the leading edge is slightly more rigid to withstand air pressure during flight.
Key Features
Solid black coloration, subtle iridescence, rounded tip, and a relatively straight rachis compared to the more curved feathers of owls or hawks.
Habitat
Highly adaptable; found in open woodlands, agricultural fields, city parks, shorelines, and suburban residential areas.
Geographic Range
Widespread across most of North America, from southern Canada to northern Mexico. Generally resident, though northernmost populations may migrate south for winter.
Ecological Role
Omnivorous scavenger and predator; they play a vital role in cleaning up carrion and controlling insect populations, though they also impact songbird nests.
Similar Species
Common Raven (larger, more pointed tip), Fish Crow (nearly identical, usually requires measurement), and Black Vulture (much larger, different texture).
Interesting Facts
Crows are known to recognize individual human faces and can communicate specific threats to other members of their flock. They are also adept tool users.
Condition Notes
The feather appears to be in Good to Excellent condition. The vane is largely intact with minimal fraying at the edges, suggesting it was recently molted or lost through preening.