891. Aethopyga sanguinipectus.
Walden's Yellow-backed Sunbird.
Aethopyga sanguinipectus, Wald. A. M. N. H. (4) xv, p. 400 (1875) ; Hume, S. F. iii, p. 402; Wald. in Blyth's Birds Burm. p. 142; Hume & Dav. S. F. vi, p. 182; Hume, Cat. no. 231 bis; Shelley, Mon. Nect,. pp. xx, xxi, 37, pl. 12; Oates, B. B. i, p. 313; Gadow, Cat. B. M. ix, p. 27; Salvadori, Ann. Mus. Civ. Gen. (2) v, p. 690, vii, p. 395. Aethopyga waldeni, Hume, S. F. v, p. 51 (1877).
Coloration. Male. Forehead, crown, nape, and hind neck purplish steel-blue ; sides of the head dull black ; sides of the neck, back, and the shorter scapulars red ; lesser wing-coverts, the longer scapulars, and a band on the back below and next to the red deep black; next this black band another yellow one; remainder of the rump, upper tail-coverts, and the basal three quarters of the middle tail-feathers steel-blue; remainder of the tail, the median and greater wing-coverts, and the quills blackish brown ; lateral tail-feathers tipped with white; chin black; throat purplish steel-blue; upper breast black, the lateral feathers tipped with red; remainder of the lower plumage dull green, the breast streaked with crimson; under wing-coverts and axillaries yellowish white.
Female. Upper plumage dull green tinged with ashy, and the feathers of the crown with dark centres; rump pale yellow; lower plumage ashy green, becoming paler on the abdomen; tail blackish, all the lateral feathers with pale tips; under wing-coverts and axillaries whitish.
Bill black; iris and legs dark brown (Wardlaw Ramsay).
Male: length 5.5 to 6; tail 2.7; wing 2.1 ; tarsus .55; bill from gape .8. Female : length about 4 ; tail 1.1; wing 1.8.
Distribution. The Karen hills east of Toungngoo ; Karennee; Muleyit mountain in Tenasserim. This species is found at elevations above 2000 feet.