Likely Rock Pigeon (feral pigeon; also called Rock Dove), though species identification is uncertain from this single feather.

This is a dark, worn-looking feather that most resembles a pigeon wing feather, but the image does not support a confident species identification. Rock Pigeons are stocky birds with variable plumage, often gray with two dark wing bars, and have a characteristic rapid, direct flight.

Mostly dark gray to charcoal, with a pale gray area near the base and irregular light notches or gaps along one edge. The visible surface shows no clear species-specific pattern or obvious iridescence.

Pennaceous vane with closely aligned barbs; the edges appear worn or damaged. Fine barbules cannot be resolved in the image.

A dark central shaft runs lengthwise; barbs are aligned along it, but several appear separated, broken, or missing near the margin.

Appears matte and somewhat frayed, rather than smooth and pristine; surface texture is difficult to assess from the photograph.

Probably from a wing, based on its elongated asymmetrical shape; the precise feather tract is uncertain.

Elongated asymmetric outline, dark gray coloration, and irregular pale gaps along the edge; none is uniquely diagnostic of Rock Pigeon.

Rock Pigeons use cliffs and rocky ledges naturally, and readily occupy cities, farms, and other human-built environments.

Native across parts of Europe, North Africa, and western Asia; feral populations are established worldwide. Many populations are resident.

Wild Rock Pigeons feed on seeds and human food scraps and serve as prey for urban raptors such as Peregrine Falcons. Their local abundance reflects both human-associated food and nesting opportunities.

Other gray pigeon or dove feathers can look similar, including Band-tailed Pigeon and Mourning Dove; pattern, size, and a complete specimen are needed to distinguish them reliably.

Rock Pigeons were domesticated thousands of years ago and have been used for carrying messages; feral populations descend largely from domestic birds.

Pigeon feathers have been used in crafts and fly-tying, but this specimen's source is unverified. Feather collection and possession may be regulated depending on species and location.

Photograph both sides beside a ruler and inspect the shaft, vane symmetry, and pattern. Look for naturally molted feathers beneath pigeon roosts, while avoiding disturbance to active nests.

Fair to poor: visible edge damage and possible barb loss; age, molt stage, and cause of wear cannot be determined.