Feather Identifier app iconFeather Identifier
Likely Ruffed Grouse (also “partridge” regionally)
Contour feather, probably a flank or breast feather; exact tract uncertain

Likely Ruffed Grouse (also “partridge” regionally)

Kingdom Animalia; Phylum Chordata; Class Aves; Order Galliformes; Family Phasianidae; Genus Bonasa; Species Bonasa umbellus

AI-generated identification · may be incorrect

Family: Phasianidae (Pheasants, Grouse, and Allies)

Shape
Broad, rounded, and mostly symmetrical, with a tapered base and soft, loose aftershaft
Size
Approximately 10–15 cm long as shown; consistent with a large grouse body feather
Learn more about Likely Ruffed Grouse (also “partridge” regionally) in the encyclopedia →

Found a feather like this?

Identify any feather from a photo, free.

Identify a feather

Description

This is a broad, barred body feather from a likely Ruffed Grouse, a compact woodland bird with a fan-shaped tail, cryptic mottling, and explosive whirring flight. Adults are roughly 40–50 cm long and are famous for the male’s resonant wing-drumming display.

Colour & Pattern

Creamy white to warm buff with several broad, irregular gray-brown transverse bars; the dark basal area and barred pattern are characteristic of grouse-like plumage

Barb Structure

Pennaceous outer vane with soft plumulaceous base and conspicuous aftershaft; barbs appear intact and fluffy

Rachis & Barb Pattern

Fine pale-brown rachis; dense, evenly spaced barbs form horizontal bands, transitioning to loose down toward the base

Texture & Surface

Soft, matte, and insulating, with a fluffy downy portion rather than the stiff glossy surface of a flight feather

Feather Placement

Likely flank, breast, or belly, based on the broad rounded vane and extensive downy base

Key Features

Broad rounded contour form, strong pale-and-brown barring, soft aftershaft, and fluffy insulating base. The pattern is more consistent with grouse than with most ducks or raptors.

Habitat

Ruffed Grouse occupy mixed deciduous and coniferous forests, especially habitats with aspen, dense understory, and woodland edges

Geographic Range

Resident across much of Canada and the northern and mountainous United States; generally nonmigratory, though local movements occur

Ecological Role

A ground-feeding forest omnivore and important prey item for hawks, owls, foxes, and other predators. Populations reflect forest age, habitat fragmentation, and winter conditions.

Similar Species

Spruce Grouse and Sharp-tailed Grouse can also show barred body feathers, but their patterns, size, and coloration differ; exact species confirmation usually requires location and comparison with a reference specimen.

Interesting Facts

Ruffed Grouse drum without vocalizing by rapidly beating their wings, producing a low-frequency sound that carries through forest understory. Their feathered nostrils and legs help conserve heat in snowy climates.

Cultural Significance

Grouse feathers have traditional value in Indigenous art and regalia and have been used historically for ornament and fly-tying. In many jurisdictions, possession of wild-grouse feathers is regulated; avoid commercial use unless legally sourced.

Field Identification Tips

Look beneath woodland roosts, along trails, and near dust-bathing areas, especially after late-summer or autumn molt. Photograph both sides beside a ruler and retain the find location.

Condition Notes

Appears freshly molted or well preserved, with little fraying or bleaching; condition: Good.

Likely Ruffed Grouse (also “partridge” regionally) | Feather Identifier