General plumage dark bluish gray, without spots: cere and feet red: claws yellow: wings reaching to the extremity of the tail.
Entire length ten inches six lines. Temm.
(Adult male). Head, neck, breast, belly, and all the upper parts, dark lead-gray, without spots; thighs, vent, and under tail-coverts, deep ferruginous: cere, orbits, and feet, bright red: claws yellow, the tips brown. (Female). Head and neck of a uniform reddish colour, without streaks; rest of the upper parts dusky blue; all the feathers, except the quills, edged with bluish black; under parts deep reddish, streaked with dusky brown: thighs red: tail bluish gray, with six or seven dusky bars, the tip also of this colour: cere, orbits, and feet, orange-red. (Young). Top of the head brown, with dusky streaks; throat and ear-coverts white; eyes encircled with black: also a small black moustache extending from beneath the eye downwards: upper parts brown, the feathers with reddish brown edges; under parts yellowish white, with longitudinal brown streaks on the breast and abdomen: thighs without spots: tail with numerous alternate bars of brown and reddish white; the tip white. (Egg). Unknown.
Three specimens of this species, unknown before as a native of this country, occurred at Horning in Norfolk, in May 1830. They consisted of an adult male, a female, and a young male in immature plumage. A fourth specimen was killed afterwards in Holkham Park, in the same couuty; and a fifth in Yorkshire. Said to feed on insects. Nidification unknown.