
Sulphur-crested Cockatoo
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Psittaciformes, Family: Cacatuidae, Genus: Cacatua, Species: Cacatua galerita
Family: Cacatuidae (Cockatoos)
- Shape
- Symmetrical, broad, and somewhat spatulate with a rounded tip and a slightly tapered base.
- Size
- Approximately 2 to 3 inches in length; typical for a body contour feather from a large parrot species.
- Rarity
- Very Common within its native and introduced range.
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Description
This is a body feather from a large white parrot known for its iconic yellow crest. The bird is highly intelligent, loud, and can reach wingspans of up to 40 inches. This specific feather shows the subtle yellow under-tint common in their plumage.
Colour & Pattern
Predominantly pure white on the distal half. The proximal half of the inner vane shows a distinct pale yellow or lemon wash, which is characteristic of the hidden parts of the plumage in this species. The rachis is white.
Barb Structure
The upper portion is tightly interlocked (pennaceous), while the base is loose and fluffy (plumulaceous) for insulation.
Texture & Surface
Smooth, matte, and soft to the touch. The surface likely carries some 'powder down' dust, which gives the feathers of this family a characteristic dusty feel.
Key Features
Pure white coloration with a soft yellow wash on the base of the barbs; plumulaceous base; typical cockatoo powder-down texture.
Habitat
Woodlands, rainforest edges, scrublands, and increasingly common in urban parks and suburban gardens.
Geographic Range
Resident of Australia (eastern and northern coasts), New Guinea, and the Aru Islands; introduced populations exist in Perth, Singapore, and New Zealand.
Ecological Role
They act as seed dispersers and opportunistic foragers. Because they chew on wood to maintain their beaks, they also create hollows used by other species.
Similar Species
Yellow-crested Cockatoo (Cacatua sulphurea) - these feathers are almost identical but generally smaller. Galah feathers (Eolophus roseicapilla) are distinctive pink.
Interesting Facts
These birds are incredibly long-lived, often reaching 70-80 years in captivity. They are famous for their 'sentinel' behavior where one bird watches for danger while the flock feeds.
Condition Notes
Good condition. Minimal wear on the edges with slight separation of barbs at the tip. The calamus is intact, suggesting a natural molt.