Common Ostrich, North African Ostrich
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Struthioniformes; Family: Struthionidae; Genus: Struthio; Species: Struthio camelus · Struthionidae (Ostriches) · Contour/Plume (Ratite)
Species
Struthio camelus
Feather Type
Contour/Plume (Ratite)
Family
Struthionidae (Ostriches)
Shape
Symmetrical, broad, and fan-like with a rounded tip; lacks the interlocking structure and asymmetric vane of flighted birds.
Size
Approximately 8-12 inches (20-30 cm) in length and 4-6 inches wide. This is a medium-sized specimen for the species.
Rarity
Common in its native range and very common in agricultural/captive settings globally.
Color & Pattern
Uniform brownish-grey to charcoal grey coloration. This indicates it likely belongs to a female or a juvenile male, as adult males possess stark black and white plumage.
Barb Structure
Plumulaceous and loose. Unlike flight feathers, Ostrich feathers lack the hooklets (barbicels) that zip barbs together. The barbs are long, soft, and independent.
Texture & Surface
Extremely soft, silky, and downy. It has a matte appearance with no iridescence; the lack of preen oil makes it feel dry and light.
Description
A large, fluffy plume from the world's largest bird. The feather is characteristic of the Ratite group (flightless birds), featuring a symmetrical shape that is useless for flight but excellent for insulation and display. The bird itself can stand up to 9 feet tall, weigh over 300 lbs, and run at speeds of 45 mph.
Key Features
Lack of interlocking barbs (no cohesive vane), large size, thick central rachis, and uniform grey color. The 'drooping' nature of the barbs is a definitive trait.
Habitat
Savannas, semi-arid plains, and open woodlands. Adaptable to various environments but requires large open spaces to detect predators.
Geographic Range
Native to sub-Saharan Africa. Extinct in the Arabian Peninsula. Large feral or farmed populations exist in South Africa, Australia, and the United States.
Condition Notes
Excellent condition; the barbs are mostly intact with minimal fraying. No signs of parasites or heavy wear.
Interesting Facts
Ostriches are the only birds with just two toes on each foot. Their eyes are 2 inches across—larger than their brains. One ostrich egg is equivalent in volume to about 24 chicken eggs.
Ecological Role
Primarily a herbivore that acts as a seed disperser. In the food web, they provide a significant food source for large carnivores like lions and hyenas.
Similar Species
Emu feathers (usually paired/double shafts), Rhea feathers (usually smaller and stiffer), and Marabou Stork undertail coverts (much smaller and more 'wispy').