GRASS OWL.

Strix longimembris Jerdon, Madras Jour. (1839), 10, 86.

Strix candida (not of Latham, 1801) Tickell, Jour. As. Soc. Bengal

(1833), 2, 572; Sharpe, Cat. Birds Brit. Mus. (1875), 2, 308;

Hand-List (1899), 1, 302; Oates, Cat. Birds' Eggs (1902), 2, 342;

McGregor and Worcester, Hand-List (1906), 48.

Aluco longimembris McGregor, Phil. Jour. Sci. (1908), 3, sec. A,

283.

Cua-gong ta-lá-hib, Manila.

Batan (McGregor, Edmonds); Calamianes (Bourns & Worcester); Cebu

(Everett); Luzon (Heriot, Steere Exp., Whitehead, Worcester,

McGregor); Mindanao (Mearns); Siquijor (Steere Exp.). Indian

Peninsula, Burmese provinces, northern Australia, Fiji, Formosa,

Celebes.

Adult male (Benguet, Luzon, May 10, 1903).--Feathers of upper parts

dark brown, the bases and edges, more or less, yellowish buff,

this color forming a collar on hind neck; many of the feathers of

back and wing-coverts each with a small white spot near the tip;

a blackish spot in front of each eye; face white slightly tinged

with buff; stiff ruff-feathers white, the outer ones with black

shafts and blackish brown tips; sides of neck light tawny-buff with

large brown spots; under parts white with a few small black spots on

breast and flanks; breast faintly washed with buff; wing-lining and

axillars white with larger black spots; primaries and secondaries,

above light buff, with dark brown bars and whitish tips, below white,

the tips of primaries dark brown; primary-coverts orange-buff basally;

rectrices white with four blackish brown bars, the bars obsolete on

outermost pair. Bill white, legs dirty brown; nails brown. Length,

395; wing, 355; tail, 135; bill from anterior border of nostril, 19;

tarsus, 85; middle toe with claw, 55.

Female (Batan Island, June, 1907).--Similar to the male from Benguet

but darker; under parts heavily washed with ocherous-buff; face

washed with vinaceous-brown; the blackish spots of under parts more

numerous. Length, 406; wing, 368; tail, 130.

The difference in color between the male and female, as described

above, is not due to either age or sex and occurs in many, if not in

all, of the members of this genus.

Nestling (Laguna Province, Luzon, February 15, 1906).--Wings and tail,

as far as developed, like those of the adult; body and legs thickly

covered with yellowish buff down.

Order PSITTACIFORMES.

A Manual of Philippine Birds · 第 488 / 1543 题