Zosterornis whiteheadi Grant, Bull. Brit. Orn. Club (1894), 3,
40; Ibis (1894); 510, pl. 15, fig. 1; Whitehead, Ibis (1899), 222
(habits); Sharpe, Hand-List (1903), 4, 51; McGregor and Worcester,
Hand-List (1906), 82.
Luzon (Whitehead, Worcester, McGregor).
Adult (sexes alike).--Forehead, chin, entire side of head, and
superciliary stripe cinnamon-rufous; a ring of white around eye;
top of head dark gray; remainder of upper parts dull olive-green;
under parts greenish yellow; middle of abdomen lemon-yellow; wing-
and tail-feathers brown, edged with olive-green; inner webs of quills
ocherous fawn; wing-lining pale yellow. Iris brown; bill black; legs
dull greenish; nails light flesh-color. Length, about 155. A male
measures: Wing, 66; tail, 59; culmen from base, 17; bill from nostril,
10; tarsus, 23. A female, wing, 64; tail, 65; culmen from base, 17;
bill from nostril, 10; tarsus, 22.
Young.--Similar to the adult, but the colors duller and the gray of
crown passing gradually into the olive of back; flanks and crissum
washed with cinnamon.
Whitehead's tree babbler is very abundant in the vicinity of Baguio,
Benguet Province, Luzon.