HORSFIELD'S HAWK CUCKOO.

Cuculus fugax Horsfield, Trans. Linn. Soc. (1821), 13, pt. 1, 178.

Hierococcyx fugax Shelley, Cat. Birds Brit. Mus. (1891), 19, 236;

Sharpe, Hand-List (1900), 2, 157; Oates and Reid, Cat. Birds'

Eggs (1903), 3, 104; McGregor and Worcester, Hand-List (1906), 61.

Banton (Celestino); Basilan (Bourns & Worcester); Bohol (McGregor);

Cagayancillo (McGregor); Cebu (Bourns & Worcester); Luzon (Heriot);

Mindanao (Everett, Steere Exp.); Mindoro (McGregor, Porter); Sulu

(Bourns & Worcester). Sumatra, Java, Borneo.

Adult.--Above uniform slate-gray; end of tail bright rufous otherwise

very similar to that of H. sparverioides; below white, with a variable

amount of rufous on the breast; in some specimens the whole chest

rufous, in others only the edges of the feathers rufous; chin gray;

throat white slightly tinged with gray, and occasionally streaked

with brown or rufous; no bars on breast thus distinguishing it from

H. sparverioides. Length of male from Cagayancillo, 280; wing, 170;

tail, 151; exposed culmen, 20; tarsus, 18. Length of female from

Mindoro, 285; wing, 170; tail, 157; exposed culmen, 20; tarsus, 19.

"Immature.--Top of head gray; upper parts including wings, dark gray

barred with rufous, tail barred as in the adult with light brown,

blackish brown, and rufous, the rufous bars narrowest; under parts

white with broad, pointed, mesial stripes of blackish; edges of

feathers washed with rusty-brown; under tail-coverts white.

"Nestling.--Similar in plumage to the immature bird, with the back

brown and the markings on the breast rather larger. Length, 208

mm." (Shelley.)

"Rare and shy. Found skulking in thick bushes or under-brush, often

near water. A male measures, 286 in length; wing, 167; tail, 153;

culmen, 25; tarsus, 20; middle toe with claw, 27. A female, length,

305; wing, 173; tail, 139; culmen, 25; tarsus, 22; middle toe with

claw, 28. Iris brown; legs, feet, and nails bright yellow. Bill with

upper mandible olive-green at base, black at tip; lower mandible

olive-green. Food beetles and other insects." (Bourns and Worcester

MS.)

Genus CUCULUS Linnæus, 1758.

Secondaries about half the length of primaries; wing long and flat;

tail shorter than wing; in adults the upper parts are nearly uniform

brown or gray, chin and throat gray; abdomen white barred with black.

Species.

a1. Tail with a subterminal black band; crown and throat grayish

contrasting with mantle and back. ... micropterus (p. 370)

a2. Tail without a subterminal black band; crown and throat gray like

the back.

b1. Larger; wing, 200 to 230 mm.; bars on breast more dusky; edge

of wing white and brown. ... canorus (p. 371)

b2. Smaller; wing, less than 200 mm.; bars on breast jet-black,

broader and more complete; edge of wing white. ... saturatus (p. 372)

A Manual of Philippine Birds · 第 701 / 1543 题