1127. Rhamphococcyx erythrognathus.
Phoenicophaes erythrognathus, Hartlaub, Syst. Vers. Mus. Brem. p. 95 (1844); Walden, Tr. Z. S. viii, p. 53, fig. 7 ; Blyth, Birds Burm. p. 81; Hume & Dav. 8. F. vi, pp. 165, 506. Phoenicophaus curvirostris, apud Blyth, Cat. p. 75; id. J. A. S. B. xxiv, p. 278; Horsf. & M. Cat. ii, p. 687 ; nec Cuculus curvirostris, Shaw. Rhamphococcyx erythrognathus, Cab. Heine, Mus. Hein. iv, p. 67; Hume, Cat. no. 216 ter; Oates, B. B. ii. p. 124. Urococcyx erythrognathus, Shelley, Cat. B. M. xix, p. 398.
Coloration. Upper parts metallic green; head greyer and less glossy; quills bluish green above, purple beneath ; terminal 3 or 4 inches of each tail-feather almost always dark chestnut (very rarely green); in some specimens there is a narrow white superciliary line above the naked orbital area; chin and cheeks ashy grey (whitish in some individuals); throat, breast, and lower tail-coverts dull chestnut; abdomen darker and duller; flanks and thigh-coverts blackish with a green gloss.
Bill pale green; both mandibles maroon-red near the base; irides blue in the male, yellow in the female; legs and feet dark plumbeous.
Length about 18.5; tail 11; wing 6.75; tarsus 1.6; bill from gape 1.9.
Distribution. The Malayan Peninsula, Sumatra, and Borneo, ranging into Southern Tenasserim as far north as Yay.
Habits, &c. According to Tickell and Davison, very similar to those of its allies. Tickell observed that this species fed on " Coleoptera, Hemiptera, and very large caterpillars."