
American Crow (Common 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 with a narrower outer (leading) vane and a wider inner (trailing) vane. The tip is slightly rounded but tapered. There is distinct emargination on the outer vane.
- Size
- Estimated 7 to 9 inches (18-23 cm) in length. This is consistent with the primary flight feathers of an adult American Crow, which typically range from 18 to 25 cm.
- Rarity
- Very Common. One of the most ubiquitous and easily recognized birds in North America.
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Description
The American Crow is a large, all-black passerine with a heavy bill. This feather reflects the bird's hardy nature. Crows have a wingspan of about 33-39 inches and are known for their 'caw-caw' vocalizations and highly social behavior, often seen in large murders or family groups.
Colour & Pattern
Iridescent coal-black. While appearing solid black, it exhibits a subtle violet or blue-green sheen in direct sunlight due to structural coloration. The ventral (underside) is slightly more matte and grey-black.
Barb Structure
Dense, tightly interlocked pennaceous barbs throughout most of the vane for aerodynamic integrity. Includes a small amount of plumulaceous (downy) barbs at the very base near the calamus.
Texture & Surface
Smooth, glossy, and very stiff. The surface is designed to be wind-resistant and durable. The trailing edge is smooth, unlike the silencers found on owl feathers.
Key Features
Solid black coloration with subtle iridescence; strong asymmetry indicating a primary wing feather; stiff rachis; and a distinct notch (emargination) on the leading edge.
Habitat
Highly adaptable; found in open woodlands, agricultural fields, city parks, shorelines, and suburban yards. They generally avoid unbroken dense forests.
Geographic Range
Widespread across North America, from southern Canada throughout the lower 48 United States to northern Mexico. Most populations are year-round residents.
Ecological Role
Omnivorous scavengers and predators. They play a vital role in cleaning up carrion and controlling insect populations, while also acting as prey for large raptors like Great Horned Owls.
Similar Species
Common Raven feathers (larger, more wedge-shaped tail, deeper iridescence), Fish Crow (nearly identical, requires size/voice comparison), and Black Vulture (much larger, silver sheen on underside).
Interesting Facts
Crows are among the most intelligent animals on Earth. they are capable of tool use, recognizing individual human faces, and mourning their dead in 'funerals.' Some studies show their intelligence is comparable to that of primates.
Condition Notes
Excellent condition. The vanes are intact with no significant fraying or 'fault bars' (stress lines), suggesting it was molted naturally from a healthy individual.