- Medium to large chicken-like bird.
- Thick bodied.
- Mostly dark, with short, dark tail.
Male DescriptionSlate-gray overall, with bold white spots on lower breast and belly. Broken white line outlining black throat. Back feathers gray barred with blackish. Feathers above tail dark tipped in light, or with bold white spots. Red combs above eyes, white arcs under eyes. Feathers under tail black with large white tips. Tail all black or with a rufous tip.
Female DescriptionRufous to gray overall, with strong barring, especially on the underparts. Broken whitish lines around face. Tail all blackish brown or with rufous tip.
Immature DescriptionSimilar to adult female.