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American Crow
Primary flight feather (Remex)

American 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 vane, elongated, slightly tapered toward a rounded tip, showing distinct emargination on the leading edge characteristic of corvids.
Size
Approximately 7-9 inches (18-23 cm) in length, consistent with the outer primaries of an adult American Crow.
Rarity
Very Common; one of the most widespread and easily recognizable birds in North America.
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Description

This feather represents the powerful flight capabilities of the American Crow, a large, all-black passerine with a heavy bill. Crows are known for their intelligent eyes, social complexity, and distinctive 'caw-caw' vocalizations.

Colour & Pattern

Uniform iridescent black with a subtle violet or blue-green sheen visible under direct sunlight. The ventral (underside) surface is a flatter, matte charcoal grey. The rachis is dark pigmented.

Barb Structure

Tightly interlocked pennaceous barbs throughout the majority of the vane; base shows a small plumulaceous (downy) section near the calamus.

Texture & Surface

Smooth, glossy, and stiff. The leading edge is noticeably thinner and firmer than the trailing edge to withstand the aerodynamic forces of flight.

Key Features

Uniform black coloration with iridescence, asymmetrical wing feather shape, and a thick, dark rachis. Lack of white or brownish mottling excludes most raptors.

Habitat

Extremely versatile: found in open woodlands, agricultural fields, orchards, suburban parks, and urban centers.

Geographic Range

Year-round resident across most of North America from southern Canada to northern Mexico; northernmost populations may move slightly south in winter.

Ecological Role

Generalist omnivore and scavenger; plays a vital role in cleaning up carrion and controlling insect populations, while also acting as a prey species for large hawks and owls.

Similar Species

Common Raven (larger, more wedge-shaped tail feathers), Fish Crow (nearly identical, requires size/voice comparison), and various blackbirds (much smaller feathers).

Interesting Facts

Crows are among the most intelligent animals on Earth, capable of using tools, recognizing individual human faces, and mourning their dead in social gatherings called 'funerals'.

Condition Notes

Fair to Good. Minor fraying and 'zipper' gaps are visible along the trailing edge (trailing vane), likely due to natural wear or contact with vegetation before molting.