
Emu
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Casuariiformes, Family: Casuariidae, Genus: Dromaius, Species: Dromaius novaehollandiae
Family: Casuariidae (Emus and Cassowaries)
- Shape
- Lanceolate and elongated; symmetrical vane with a characteristic drooping or hair-like outline.
- Size
- Approximately 6 to 10 inches in length; width is narrow, typically 1 to 1.5 inches at the widest point. Consistent with adult body feathers.
- Rarity
- Common (Abundant in native range; widely kept globally in agriculture and zoos).
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Description
This is a classic Emu body feather. Emus are the second-largest living bird by height. They are flightless ratites with distinctive shaggy plumage that resembles hair more than traditional feathers. Their feathers are unique among birds because both the main shaft and the aftershaft are the same length, making it look like two feathers growing from one quill. Adults are large, grey-brown birds with long necks and legs, reaching up to 6 feet in height.
Colour & Pattern
Predominantly charcoal grey to dark brown near the tip, fading to a lighter taupe or creamy white near the base. Melanin-based coloration without complex banding or iridescence.
Barb Structure
Plumulaceous and loose; lacks the interlocking barbules (hooklets) found in flighted birds, resulting in a hair-like, shaggy appearance.
Texture & Surface
Soft, hair-like, and silky. Non-waterproof and matte appearance due to lack of interlocking pennaceous structure.
Key Features
Double-feather structure (aftershaft nearly equal to main shaft), lacks interlocking barbs, hair-like texture, charcoal to cream gradient.
Habitat
Sclerophyll forests, savannas, grasslands, and arid shrublands. They avoid heavily populated areas and dense rainforests.
Geographic Range
Endemic to mainland Australia; resident across most of the continent, moving nomadically based on rainfall and food availability.
Ecological Role
Important seed dispersers; they consume a wide variety of plants and fruits, and seeds often germinate better after passing through an Emu's digestive tract.
Similar Species
Cassowary feathers are similar but usually darker (jet black) and stiffer/bristly. Ostrich feathers are much larger and more voluminous.
Interesting Facts
Emus are the only birds with a tracheal pouch used for making deep booming and grunting sounds. They can run at speeds up to 31 mph (50 km/h). During incubation, the male Emu sits on the eggs for 8 weeks without eating or drinking, losing significant body weight.
Condition Notes
Fair to Good; shows typical loose structure. Some barbs appear slightly tangled or frayed, which is natural for this species. No significant sun bleaching.