Bill small and slender; culmen from base about equal to hind toe with claw; first primary about one-half of second and a little shorter than tarsus; tail rounded, about two-thirds as long as wing, and scarcely exceeding the outstretched legs and feet. Colors dark blue and chestnut.
539. CHAIMARRORNIS BICOLOR Grant.
BICOLORED REDSTART.
- Chimarrhornis bicolor Grant, Bull. Brit. Orn. Club (1894), 3, 44; Ibis (1894), 509, pl. 15, fig. 2; (1895), 446; Whitehead, Ibis (1899), 217 (habits); Sharpe, Hand-List (1903), 4, 150; McGregor and Worcester, Hand-List (1906), 85.
U-li-si-u, Irisan, Benguet Province.
Luzon (Whitehead, McGregor).
Male.—General color slate-blue, throat darker; chin, jaw, and lores black; abdomen, crissum, flanks, rump, and upper tail-coverts rich chestnut; thighs slate-gray, tail chestnut; wing-feathers dark brown, their edges slate-blue. Bill and nails black; legs and feet very dark brown. Length, 152; wing, 77; tail, 58; culmen from base, 14; bill from nostril, 8.5; tarsus, 25; middle toe with claw, 21.
Female.—Similar to the male but duller in color; rump, tail-coverts, and tail brown, very slightly chestnut. Length, 152; wing, 75; tail, 55; culmen from base, 15; bill from nostril, 8.5; tarsus, 25; middle toe with claw, 21.
Young.—A young male taken in June, 1903, has the plumage dark smoke-gray, almost black, the feathers of throat, breast, and wing-coverts faintly tipped with gray; wings and tail as in the adult and a few new feathers of head, neck, breast, and abdomen indicating the adult colors.