1125. Rhopodytes sumatranus.
The Sumatran Green-billed Malkoha.
Cuculus sumatranus, Raffl. Trans. Linn. Soc. xiii, p. 287 (1822). Zanclostomus sumatranus, Blyth, Cat. p. 76; Horsf. & M. Cat. ii, p. 689. Rhopodytes sumatranus, Cab. & Heine, Mus. Hein. iv, p. 62; Hume & Dav. S. F. vi, p. 164; Hume, Cat. no. 215 ter; Shelley, Cat. B. M. xix, p. 391. Poliococcyx sumatranus, Sharpe, P. Z. S. 1873, p. 606, fig. 14; Oates, B. B. ii, p. 123. Nostrils long, oblique.
Coloration. Narrow band of feathers on lores black, a few white feathers sometimes, not always, present above the bare orbital area; head above dark ashy grey, passing on the neck into metallic green, which covers the remainder of the upper surface ; quills and outer tail-feathers steel-blue above and below ; all the tail-feathers with moderate white tips. Chin and throat ashy; breast darker, with a wash of glossy green; abdomen and lower tail-coverts deep bay. Shafts of head- and neck-feathers black, but not conspicuous.
Bill pale green; irides pale blue; bare orbital space orange, palest round the eye, shading to blood-red at the posterior angle ; legs and feet plumbeous green (Davison).
Length about 16; tail 9.5; wing 5.5; tarsus 1.4; bill from gape 1.5.
Distribution. Tenasserim, south of Mergui (common on the island of Mergui), the Malay Peninsula, Java, Sumatra, and Borneo.