489. Platylophus ardesiacus.
Lophocitta ardesiaca, Cabanis, Mus. Hein. i, p. 219 (1850). Platylophus galericulatus, partim, Elliot, Ibis, 1878, p. 54. Platylophus ardesiacus (Cab.), Sharpe, Cat. B. M. iii, p. 317; Hume & Dav. S. F. vi, p. 380; Hume, Cat. no. 608 ter ; Oates, B. B. i, p. 410.
Coloration. The whole head, crest, and neck very dark brown, almost black; a large white patch on each side of the neck, the two nearly meeting behind; a spot of whits on the upper eyelid and another on the lower behind the centre of the eye; upper plumage and the exposed parts of the closed wings and tail rufescent olive-brown; lower plumage varying from dark slaty brown to dark olive-brown.
The young have the lower plumage barred with black and white and the feathers of the upper plumage tipped and margined with rufous.
Legs, feet, claws and bill black; eyelid dark brownish black ; iris reddish brown, varying from rhubarb-brown to litharge-red (Hume & Davison).
Length about 11; tail 5 ; wing 5.5 ; tarsus 1.3 ; bill from gape 1.35.
Distribution. The extreme south of Tenasserim. This species extends down the Malay peninsula, but is replaced in Sumatra by P. coronatus, a rufous-brown species, and in Java by P. galericulatus, a black species.
Habits, &c. InHabits evergreen forest, restless, always on the move and strictly arboreal. Note, a sharp metallic rattle. Generally found in pairs.