Key Identification Features
- Several distinct calls have been recorded for this species, including a chuckling call that gradually grows louder, a whistle, and a curlew-like call.
- Both males and females have red feet and a distinct ring of bare skin around the eye that is typically crimson, though it is orange in a small number of subspecies.
- While some described subspecies are highly distinctive, others are not, and some variation appears to be clinal.
- A rooster's mantle, which covers the neck and back, typically has long, golden hackle feathers.
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