
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 characteristic of a primary flight feather; the leading (outer) vane is much narrower than the trailing (inner) vane. The tip is slightly rounded to tapered, and the overall shape is elongated.
- Size
- Estimated 7.5 to 9 inches (19-23 cm) in length. This is consistent with adult primary feathers for the American Crow, which typically range from 18 to 25 cm.
- Rarity
- Very Common; one of the most widely recognized and abundant birds in North America.
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Description
The American Crow is a large, all-black passerine with a heavy bill and a fan-shaped tail. It has a wingspan of about 33-39 inches. Known for their intelligence and 'caw-caw' vocalizations, they are highly social birds that often form massive winter roosts and work together to mob predators like hawks and owls.
Colour & Pattern
Uniformly iridescent black. Depending on light angle, it may show violet or blue-green sheen. The underside is a slightly flatter, matte grey-black. No banding or spots are present, which is typical for adult crows.
Barb Structure
Pennaceous; the barbs are tightly interlocked with hooklets (barbicels) providing a stiff, wind-resistant surface for flight. There is a small amount of plumulaceous (downy) structure at the very base near the calamus.
Texture & Surface
Smooth and glossy on the upper surface with a slight oily sheen. The feather is stiff and resilient, designed to withstand the high pressures of flapping flight.
Key Features
Solid black coloration with iridescent sheen, asymmetrical primary shape, lack of light-colored down at the base, and a relatively long, stiff black rachis.
Habitat
Extremely versatile; found in open woodlands, agricultural fields, city parks, suburbs, landfills, and shorelines. They avoid only the densest unbroken forests and driest deserts.
Geographic Range
Common year-round resident across most of North America, from southern Canada to northern Mexico. Northernmost populations may migrate slightly southward in winter.
Ecological Role
Omnivorous scavengers and predators; they play a vital role in cleaning up carrion, controlling insect populations, and dispersing seeds, though they are also known for raiding the nests of other birds.
Similar Species
The Common Raven has a much larger, thicker feather (10-14 inches) with a more wedge-shaped tail. The Fish Crow feather is almost identical but slightly smaller and usually indistinguishable without the bird's voice.
Interesting Facts
Crows are among the most intelligent animals on Earth, capable of using tools, recognizing individual human faces for years, and communicating specific threats to their flock members.
Condition Notes
Fair to Good. There is some visible separation of the barbs near the tip, likely due to mechanical wear or handling. The color remains deep black, suggesting it was molted recently or kept out of direct sunlight.