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American Crow (Common Crow)
Primary flight feather (remex), likely an outer primary (P7-P9) due to the extreme asymmetry and emargination.

American Crow (Common Crow)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Corvus, Species: Corvus brachyrhynchos

Family: Corvidae (Crows, Jays, and Ravens)

Shape
Highly asymmetrical with a very narrow leading edge (outer vane) and a broad trailing edge (inner vane). The tip is rounded, and there is a distinct notch (emargination) on the leading edge to reduce drag.
Size
Estimated 22–26 cm (8.5–10 inches) in length. This size is diagnostic for a large Corvid, fitting perfectly within the range for an adult American Crow's outer primaries.
Rarity
Very Common. One of the most widespread and recognizable birds in North America.
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Description

The American Crow is a large, all-black bird with a thick bill and a fan-shaped tail in flight. Known for their 'caw-caw' vocalizations, they are highly social and intelligent. This feather reflects their robust nature, built for strong, steady wingbeats and complex aerial maneuvers.

Colour & Pattern

Uniformly iridescent black/charcoal. Under direct light, it exhibits a subtle violet or blue-green structural sheen typical of Corvids. The ventral (underside) surface is more matte and greyish-black. No banding or spots are present.

Barb Structure

Densely pennaceous throughout most of the vane for flight rigidity; the base (calamus area) shows short plumulaceous (downy) barbs for insulation. Interlocking barbicels are strong, giving the vane a solid, wind-resistant surface.

Texture & Surface

Smooth and stiff to the touch. The upper surface has a slight waxy gloss (structural color), while the trailing edge is softer. The vane is somewhat flexible but snaps back into shape readily.

Key Features

Solid black coloration with subtle iridescence, extreme asymmetry of the vanes, and a length between 8-10 inches. The lack of white or brown mottled patterns distinguishes it from raptor feathers.

Habitat

Extremely versatile: found in open woodlands, agricultural fields, orchards, suburban parks, beaches, and urban centers. They generally avoid dense, unbroken coniferous forests.

Geographic Range

Found throughout most of North America, from southern Canada to northern Mexico. They are year-round residents in most of their range, though northernmost populations may migrate slightly south.

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

Common Raven (larger, more wedge-shaped tail feathers, more massive rachis), Fish Crow (nearly identical, usually requires vocalization or size measurement for certainty), and various blackbirds (significantly smaller).

Interesting Facts

Crows are among the most intelligent animals on Earth, capable of using tools, recognizing individual human faces, and mourning their dead. They have a complex social structure and often live in large, multigenerational family groups.

Condition Notes

Good condition. The barbs are mostly zipped (interlocked), though there is slight fraying at the tip and along the trailing edge, suggesting this was a naturally molted feather at the end of a season.

American Crow (Common Crow) | Feather Identifier