A chunky somewhat duck-like (swimkming) or chicken-like (perched) bird with stout red bill (with yellow tip) and frontal shield; legs greenish. Mostly slaty gray, browner on back and wings, with white stripe on sides and flanks and white on under tail-coverts. Immature is paler, more olive or brownish gray, with whitish sides of head and throat, gray underparts with white streaks on flanks and belly; bill brown.
Habits and Behavior
Usually seen swimming (unlike Purple Gallinule), with head nodding back and forth. Flies relatively little. Has a variety of clucks and cackles.