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American Crow
Primary flight feather (Remex), likely from the mid-to-outer wing (P4-P7)

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.