Prionochilus olivaceus Tweeddale, Ann. & Mag. Nat. Hist. (1877),
20, 536; Proc. Zool. Soc. (1878), 111, pl. 8, fig. 3; Sharpe,
Cat. Birds Brit. Mus. (1885), 10, 75; Whitehead, Ibis (1899),
235; McGregor and Worcester, Hand-List (1906), 97.
Basilan (Steere Exp., Bourns & Worcester, McGregor); Bohol
(McGregor); Dinagat (Everett); Leyte (Whitehead); Mindanao
(Platen); Samar (Whitehead).
Male.--Above bright olive-green; wing-feathers and rectrices
olive-brown, edged with olive-green; lores white; under parts
smoke-gray; chin, a broad median line on throat, breast, and
abdomen white, sides of abdomen and flanks streaked with white;
thighs smoke-gray mixed with white; crissum white faintly washed
with yellow; axillars and wing-lining white. Length, about 100. A
male from Basilan measures: Wing, 56; tail, 26; culmen from base,
10; bill from nostril, 6.5; greatest width of bill, 6.5; tarsus, 15.
Female.--Similar to the male, but with the gray of under parts more
ashy. A female from Basilan, wing, 54; tail, 25; culmen from base,
10; bill from nostril, 6.5; tarsus, 13.
"Found in the forest and second growth. Never seen about open
fields. Feeds on seeds and fruits. Breeding in Basilan in August. Four
males from Basilan average: Length, 97; wing, 56; tail, 29; culmen,
12.7; tarsus, 12.9; middle toe with claw, 14.7. Iris brownish red;
legs, feet, and nails brown to black; bill black except base of lower
mandible, which is ashy gray." (Bourns and Worcester MS.)