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Ruffed Grouse (also known as Partridge)
Body Contour feather with a large, fluffy plumulaceous base

Ruffed Grouse (also known as Partridge)

Animalia > Chordata > Aves > Galliformes > Phasianidae > Bonasa > Bonasa umbellus

AI-generated identification · may be incorrect

Family: Phasianidae (Pheasants, Grouse, and Allies)

Shape
Symmetrical overall outline, soft rounded tip, broad base tapering slightly toward the apex
Size
Approximately 1.5 to 2.5 inches (4 to 6 cm) in length, standard for contour feathers from grouse body lining
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Description

This body contour feather features a prominent downy lower portion designed for insulation and a tip adorned with delicate wavy dark and warm tan barrings. Birds like House Wrens frequently scavenge soft, shed feathers from ground-dwelling birds like the Ruffed Grouse to line their nest boxes for thermal efficiency.

Colour & Pattern

Base is a neutral grayish-brown plumulaceous down. The tip exhibits fine concentric barred or wavy bands of dark brownish-black and buffy tan or off-white, characteristic of tetraonid body feathers

Barb Structure

Lower two-thirds are heavily plumulaceous (downy) with loose barbs for insulation; upper third features cohesive pennaceous barbs with distinct dark and light transverse barred patterning

Rachis & Barb Pattern

Thin, pale beige to light brownish rachis, highly flexible at the base. Barbs flare out broadly at the base and become tightly aligned near the pattern apex

Texture & Surface

Extremely soft, fluffy downy base with a smooth, flexible matte tip

Feather Placement

Body contour feather, likely from the flank, breast, or rump where thick downy insulation is critical

Key Features

Extensive greyish-brown downy base covering most of the feather length, combined with a patterned distal tip showing clear fine transverse banding in buff and dark brown

Habitat

Mixed deciduous and coniferous forests, young aspen stands, forest edges, brushy habitats, and woodlands across southern and central Manitoba

Geographic Range

Resident year-round across North America, throughout Canada (including Manitoba) and northern/mountainous regions of the United States

Ecological Role

Ruffed Grouse serve as important prey for medium to large predators like hawks, owls, and foxes. Their shed feathers provide valuable thermal lining materials for small cavity-nesting songbirds.

Similar Species

Sharp-tailed Grouse (Tympanuchus phasianellus) feathers have similar patterns but usually display different chevron-like markings; domestic chicken feathers can show similar barring but lack the typical dense wild grouse down structure.

Interesting Facts

House Wrens are known opportunistic nest builders that frequently gather soft feathers shed by larger forest birds to soft-line their nest cavities and keep their eggs warm.

Cultural Significance

Grouse feathers were historically used by indigenous peoples for adornment and regalia, and are popular today in fly-tying for trout fishing due to their fine patterning and soft barbs.

Field Identification Tips

Look for dense down covering over half the feather's length paired with fine zebra-like dark and light barring at the terminal tip.

Condition Notes

Fair to Good; shows typical signs of wear and nest use, including slight fraying along the outer barbs and tip, consistent with nesting material collected by another bird

Notes

Found in house wrens nest, middle of manitoba canada