Astur kienerii Geoffroy St. Hilaire, Mag. de Zool. (1835), cl. 2,
pl. 35.
Lophotriorchis kieneri Sharpe, Cat. Birds Brit. Mus. (1874), 1,
255; Hand-List (1899), 1, 262; Grant, Ibis (1895), 438; McGregor
and Worcester, Hand-List (1906), 42.
Luzon (Heriot, Whitehead); Marinduque (Steere Exp.); Mindanao
(Steere Exp., Celestino); Panay (Steere Exp.); Sibuyan (McGregor);
Tablas (Celestino). Malay and Indian Peninsulas, Lesser Sunda
and Indo-Malayan Islands, Indo-Chinese provinces, Ceylon, Celebes.
"Adult.--Above black, with an occipital crest 60 mm. in length;
ear-coverts somewhat mixed with whitish; cheeks, throat, and breast
pure white, with a few narrow black shaft-lines on the side of the
latter; rest of under surface, including under wing- and tail-coverts,
tawny rufous, streaked with black shaft-stripes, rather broader on the
flanks, where they are more merged; wings black, some of the feathers
externally brownish, the inner lining of quills whitish ashy, with a
few blackish bars on the inner web of the primaries, the secondaries
narrowly tipped with white; tail black, very slightly tipped with
whity brown, and with indications of brown cross-bands under certain
lights, the lower surface of the tail ashy white, with a subterminal
brown bar. Cere yellow; bill leaden blue; feet yellow, claws black;
iris brown. Length, 533; culmen, 38; wing, 358; tail, 211; tarsus,
74." (Sharpe.)
Immature male.--Upper parts earthy brown, lighter on crown, the
feathers tipped with white; forehead all white; long crest-feathers
blackish brown; a black patch in front of and over eye; wing-coverts
like the back; primaries and secondaries blackish brown, tipped with
white; tail blackish brown, tipped with white and crossed by about nine
lighter bars; entire under parts, except a brown patch on each flank,
pure white. Wing, 370; tail, 225; culmen from base, 35; tarsus, 69;
middle toe with claw, 72.
The sexes are similar in color. A male from Sibuyan measures: Wing,
340; tail, 190; culmen from base, 34; tarsus, 72. A female from
northern Mindanao measures: Wing, 360; tail, 210; culmen from base,
35; tarsus, 66.
Genus SPIZAËTUS Vieillot, 1816.
Bill compressed; culmen rapidly curved from base to tip; edge of
upper mandible sinuate; nostril large and oval; occipital crest short
and slightly pointed; wings moderate, fourth or fifth quill longest;
secondaries long, falling short of primaries by about length of middle
toe without claw; tarsus covered to the toes with short thick-set
feathers; top of toes covered with small irregular scales.
Species.
a1. Under parts white with bold brown markings on breast; thighs
brown with fine white cross-bars. ... philippensis (p. 224)
a2. Under and upper parts uniform blackish brown. ... limnæëtus
(p. 225)