Unidentified dark-colored bird; possibly a large waterbird such as a cormorant, but the image is insufficient for a reliable common-name identification.

This is a large, dark remex with a narrow outline and a pale, fluffy basal section. Its plain coloration and visible form are not distinctive enough to identify the bird confidently.

Uniform dark brown to charcoal with subtle lighter brown areas and a pale gray-white downy base at the right end. No clear bands, spots, or iridescence are visible.

Mostly intact, tightly interlocking pennaceous barbs form a smooth vane; a few edge barbs appear uneven or worn.

The long central rachis is slender and dark, becoming paler near the downy base; barbs lie closely and obliquely from it.

Smooth, matte-to-slightly glossy vane with a soft, loose base; the feather looks somewhat worn along its edges.

Probably from a wing, based on its elongated shape and broad, cohesive vanes; a tail feather is a less certain alternative.

Large size, dark unmarked vane, tapered outline, and pale downy base; these traits occur in many unrelated birds and are not diagnostic on their own.

Cannot be assigned without a reliable species identification.

Cannot be assigned without a reliable species identification.

The source species cannot be established, so its ecological role or conservation status cannot be assessed from this feather alone.

Dark flight feathers from cormorants, geese, ducks, corvids, and raptors can look similar. Reliable separation generally requires scale, exact feather position, and species-specific patterning.

Flight feathers combine a strong central shaft with interlocking barbs, creating a lightweight surface that can withstand aerodynamic forces.

Bird feathers have been used historically in art, adornment, fishing lures, and fletching. Collection and possession of feathers from protected wild birds may be restricted by law; identification and local regulations matter.

Photograph both sides beside a ruler, include the full feather and base, and record where it was found. Avoid relying on color alone; consult a regional feather guide or expert and check applicable wildlife laws.

Fair to good: vane is largely intact, with some apparent edge wear; no definite breakage, fault bars, or contamination can be confirmed from the image.