
Yellow-tailed Black Cockatoo
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Psittaciformes, Family: Cacatuidae, Genus: Zanda, Species: Z. funerea
AI-generated identification · may be incorrectFamily: Cacatuidae (Cockatoos)
- Shape
- Symmetrical vane, rounded tip, elongated broad outline with characteristic squared or slightly rounded terminal edge.
- Size
- Approximately 4 to 6 inches long based on visual comparison next to a standard utility knife. Typical tail feathers for this species range from 4 to 8 inches.
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Description
The Yellow-tailed Black Cockatoo is a large, majestic cockatoo with brownish-black plumage, pale yellow cheek patches, and bright yellow panels on its tail feathers. Known for its mournful, wailing calls echoing through eucalypt forests.
Colour & Pattern
Striking and diagnostic coloration featuring a deep black base with a vibrant, solid yellow central band and a distinct black terminal tip, typical of the species' rectrices.
Barb Structure
Tightly interlocked pennaceous barbs with strong hooklets creating a firm, durable vane structure. No afterfeather present.
Rachis & Barb Pattern
Sturdy, thick central rachis colored black matching the terminal tip, transitioning to pale yellow where the barbs are yellow. Barbs are tightly packed and dense.
Texture & Surface
Smooth, firm, and slightly glossy texture with high rigidity across the vane to withstand aerodynamic forces during flight and perching maneuvers.
Feather Placement
Tail (rectrix), specifically from the outer tail feathers which prominently display the bright yellow panel contrasting with the black tip.
Key Features
Bold contrast of jet black and brilliant yellow on an elongated tail feather with a rounded tip.
Habitat
Eucalypt forests, woodlands, pine plantations, and coastal scrublands of southeastern Australia.
Geographic Range
Southeastern Australia, ranging from southern Queensland through New South Wales and Victoria to eastern South Australia and Tasmania.
Ecological Role
Acts as a primary predator of wood-boring insect larvae and disperses seeds of native trees and introduced pines, influencing forest regeneration.
Similar Species
Short-billed Black Cockatoo (Zanda latirostris) and Long-billed Black Cockatoo (Zanda baudinii), which have different tail patterns and bill shapes.
Interesting Facts
These cockatoos use their massive, powerful bills to tear open deep wood-boring beetle larvae from inside eucalypt trees, acting as forest health doctors.
Cultural Significance
Highly significant to Australian Aboriginal cultures, featuring in traditional stories, ceremonies, and art. Feathers are valued in cultural artifacts.
Field Identification Tips
Look near feeding sites in eucalypt forests or pine plantations where large flocks congregate and chew on seed cones and branches.
Condition Notes
Good condition, clean vane with intact barbs and minimal signs of wear or fading.