574. Cyornis unicolor.
The Pale Blue Flycatcher.
Cyornis unicolor, Blyth, J. A. S. B. xii, p. 1007 (1843) ; id. Cat. p. 173; Jerd. B. I. i, p. 465 ; Wald. Ibis, 1876, p. 353; Godw.-Aust. J. A. S. B. xlv, pt. ii, pp. 71, 195, xlvii, pt. ii, p. 15 ; Hume, Str. F. vii, p. 516; id. Cat. no. 303 ; Salvadori, Ann. Mas. Civ. Gen. (2) vii, p. 386; Hume, S. F. xi, p. 107; Oates in Hume's N. & E. 2nd ed. ii, p. 5. Siphia unicolor (Bl.), Sharpe, Cat. B. M. iv, p. 444.
Coloration. Male. Forehead, a broad eyebrow, and the lesser wing-coverts ultramarine-blue; lores black, tipped with blue; sides of the head and neck and the whole upper plumage, with the exposed parts of the closed wing, light blue; upper tail-coverts and the margins of the tail-feathers deep blue ; lower plumage pale dull blue, becoming albescent on the abdomen; the under tail-coverts broadly fringed with white; axillaries pale fulvous.
Female. Lores and a ring round the eye pale rufescent; the whole upper plumage olive-brown tinged with rufous; the upper tail-coverts and the margins of the wings, together with the whole tail, ferruginous; the whole lower plumage earthy brown, tinged with ochraceous on the sides of the body; abdomen albescent; axillaries pale fulvous.
The young nestling is brown, densely spotted and mottled with bright fulvous.
In the male the legs and feet are dull pale purple; bill black ; iris brown. In the female the legs and feet are greyish brown; upper mandible brown, lower mandible pale bluish homy; iris brown (Hume).
Length about 6.5; tail 2.8; wing 3.3 ; tarsus .65; bill from gape .75.
Distribution. The Himalayas from Sikhim to the Daphla hills in Assam ; the Khasi hills; the Naga hills; Manipur; Karennee; probably Arrakan.
C. cyanopolius, Blyth, from the Malay peninsula and islands, is a much brighter bird than C. unicolor, and may be kept distinct.
Habits, &c. Mandelli found the nest of this bird in Sikhim in August, a cup of moss and fern-roots placed in a depression in the trunk of a tree about 10 feet from the ground.
* Count Salvadori thus describes the specimen :—
" Supra olivacea, pileo et cervice griseis ; uropygio et supracaudalibus branneo-rufescentibus ; fronte, lateribus capitis et gula rufo tinctis, gula ima albicante; gastraeo reliquo griseo-olivaeo, pectore magis olivasente subcaudalibus et subalaribus fulvescente-albidis; alis fuscis, externis brunneo-olivaceo marginatis; cauda brunneo-rufescente ; rostro nigro; pedibus fuscis. Long, tota 0m,200; al. 0m, 096; caud. 0m,077; rostri culm 0m,010: tarsi 0m,020."