
American Crow
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus brachyrhynchos
Family: Corvidae (Crows, Jays, and Magpies)
- Shape
- Asymmetrical vane with a distinctively tapered tip. The leading (anterior) vane is significantly narrower than the trailing (posterior) vane, common in aerodynamic flight feathers. The tip is slightly rounded but maintains an elongated profile.
- Size
- Estimated at 18-22 cm (7.1-8.7 inches). This falls within the typical primary range for an adult American Crow, which is larger than a Blue Jay but smaller and less robust than a Common Raven primary.
- Rarity
- Very Common. One of the most ubiquitous and easily recognized birds in North America.
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Description
This is a midnight-black wing feather from an American Crow. The species is a large, all-black passerine known for its heavy bill and sophisticated social structure. Adults have a wingspan of approximately 33-39 inches. Their flight is characterized by steady, methodical wingbeats that rarely cease, unlike the soaring or flapping-and-gliding style of hawks.
Colour & Pattern
Uniformly deep iridescent black. Under certain lighting, a subtle violet or blue-green sheen may be visible due to structural coloration. The ventral (underside) surface is slightly more matte and grayish-black compared to the dorsal surface.
Barb Structure
Tightly interlocked pennaceous barbs throughout most of the vane for flight efficiency. The base shows a small amount of plumulaceous (downy) structure near the calamus for thermoregulation. Barbs appear intact with minimal fraying.
Texture & Surface
Smooth, stiff, and somewhat glossy. The surface has a high-quality finish that is naturally somewhat water-resistant due to preen oils. The leading edge is very rigid to resist air pressure.
Key Features
Uniform black coloration without banding; strong vane asymmetry; stiff rachis; approximately 20cm length; subtle iridescence characteristic of Corvids.
Habitat
Extremely versatile; found in open woodlands, agricultural fields, city parks, shorelines, and suburban yards. They prefer areas with both open ground for foraging and trees for nesting/roosting.
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 move south in winter.
Ecological Role
Apex generalists. They act as both predators and scavengers (cleaning up carrion) and play a role in seed dispersal. Their presence often alerts other species to the presence of predators like owls or hawks through 'mobbing' behavior.
Similar Species
Common Raven feathers are much larger (up to 30cm) and have a heavier rachis. Fish Crow feathers are nearly identical but slightly smaller and require expert measurement. Black-billed Magpie feathers would show white or iridescent green/blue patches.
Interesting Facts
Crows are among the most intelligent animals on Earth, capable of using tools, recognizing individual human faces for years, and even mourning their dead in 'crow funerals' where they gather around a deceased family member.
Condition Notes
Good condition. The vanes are mostly zipped (interlocked), suggesting it was a naturally molted feather rather than one lost during a struggle. Minimal sun-bleaching or wear at the distal tip.