Species.
- a1. Chin and throat clear gray; much larger; wing, more than 95 mm. frater (p. [514])
- a2. Chin and throat gray, streaked with yellow; much smaller; wing, less than 90 mm. palawanensis (p. [515])
490. TRICHOPHORUS FRATER (Sharpe).
GRAY-THROATED HAIRY BULBUL.
- Criniger frater Sharpe, Trans. Linn. Soc. 2d. ser. Zool. (1877), 1, 334; Cat. Birds Brit. Mus. (1881), 6, 79, pl. 5; Hand-List (1901), 3, 317; McGregor and Worcester, Hand-List (1906), 80.
- Trichophorus frater Oberholser, Smiths. Misc. Colls. (1905), 48, 152.
Balabac (Steere Exp., Everett); Calamianes (Bourns & Worcester); Palawan (Steere, Everett, Whitehead, Platen, Steere Exp., Bourns & Worcester, Celestino, White).
Adult.—Top of head dark tan-brown; back and rump olive-green; upper tail-coverts and rectrices tan-brown, edged with tawny olive; lores, sides of face, a narrow supercilium, and ear-coverts light gray, the last streaked with white; chin, throat, and breast clear light gray with white shaft-lines; feathers of breast edged with yellow; rest of under parts yellow, darker on crissum and slightly olivaceous on sides and flanks; wings brown, quills edged with ruddy olive on outer webs and with ocherous-white on inner webs; axillars and wing-lining pale yellow. Sexes similar in colors. Length, about 230. A male measures: Wing, 108; tail, 97; culmen from base, 23; bill from nostril, 14; tarsus, 22. A female, wing, 100; tail, 92; culmen from base, 21; bill from nostril, 13; tarsus, 20.
“This bulbul is very common and feeds always in the woods, so far as our observation goes. Four males average: Length, 213; wing, 104; tail, 92; culmen, 23; tarsus, 19; middle toe with claw, 21. A female, length, 209; wing, 100; tail, 88; culmen, 23; tarsus, 20; middle toe with claw, 22. Iris reddish to chocolate-brown; legs, feet, and nails very light brown; bill brown.” (Bourns and Worcester MS.)