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Common Ostrich (or domesticated flightless ratite)
Body plume / Contour feather (Plumulaceous/Decorative plume)

Common Ostrich (or domesticated flightless ratite)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Struthioniformes, Family: Struthionidae, Genus: Struthio, Species: Struthio camelus

AI-generated identification · may be incorrect

Family: Struthionidae (Ostriches)

Shape
Symmetrical, lanceolate to paddle-shaped with relaxed, unhooked vanes
Size
Approximately 18-22 cm in length and 5-7 cm in width (compared to human hand in image)
Learn more about Common Ostrich (or domesticated flightless ratite) in the encyclopedia →

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Description

This feather belongs to an ostrich or related ratite. Because ratites are flightless, their feathers have evolved to lack the microscopic hooklets (barbicels) that hold flight feathers together. This gives ostrich feathers their characteristic soft, fluffy, hair-like structure that is highly prized for decorative uses, dusters, and fashion.

Colour & Pattern

Uniform charcoal grayish-brown to dull blackish-grey color; slight lightening at the base near the calamus

Barb Structure

Plumulaceous (fluffy) barb structure lacking functional inter-locking hooklets (barbicels), creating a soft, hair-like appearance along the entire length

Rachis & Barb Pattern

Stiff central rachis that thins toward the tip; barbs project at wide angles evenly on both sides creating a symmetrical plume

Texture & Surface

Extremely soft, fluffy, silky, and lightweight; lacks rigid interlocked flight surface structure

Feather Placement

Body feather (flank, back, or wing plume of a young, female, or captive ratite)

Key Features

Plumulaceous, symmetrical structure without interlocked vanes, dark brownish-grey hue, and light translucent calamus tip

Habitat

Savannas, semi-arid plains, open woodlands, and commercial ostrich farms globally

Geographic Range

Native to Sub-Saharan Africa; widespread globally in captivity on farms and in zoological parks

Ecological Role

Large terrestrial herbivore/omnivore; helps disperse seeds in native African savanna habitats.

Similar Species

Emu (Dromaius novaehollandiae) or Rhea (Rhea americana) feathers, though Emu feathers typically feature double shafts originating from a single quill.

Interesting Facts

Ostriches are the largest living species of bird. Because they do not fly, they do not require interlocking feather vanes, allowing their feathers to grow into soft, insulating plumes.

Cultural Significance

Ostrich plumes have been used for centuries in fashion, hat millinery, boa production, feather dusters, and cultural performance costumes globally.

Field Identification Tips

Look for the complete lack of a flat, smooth vane—ostrich feathers feel like soft hair or fur rather than a stiff wing feather.

Condition Notes

Good condition; intact central shaft with slight separation of barbs near the tip, typical of shed or harvested decorative plumes