138 MANUAL OF PHILIPPINE BIRDS. 
“Young birds—These can always be distinguished from the adults 
in summer or winter plumage bye narrow sandy buff margins to the 
feathers of the upper surface, and by the ashy fulvous tinge on the fore 
neck, which is devoid of the dusky streaks seen in the adults. 
“Nestling—Covered with golden buff down, spotted with black, and 
spangled with silvery tips to the down; the black forms a line down the 
center of back; under surface dull white, tinged with buff on the fore 
neck.” (Sharpe.) 
Genus HETEROPYGIA Coues, 1861. 
Bill straight, very slightly expanded at tip; culmen less than tarsus 
and equal to middle toe without claw. 
117. HETEROPYGIA AURITA (Latham). 
SHARP-TAILED SANDPIPER, 
Tringa aurita LATHAM, Ind. Orn. Suppl. (1801), 66. 
Totanus acuminatus HorSFIELD, Trans. Linn. Soe. (1821), 13, 192. 
Heteropygia acuminata SHARPE, Cat. Birds Brit. Mus. (1896), 24, 566; 
Hand-List (1899), 1, 163; McGregor and Worcester, Hand-List 
(1906), 28. 
Pisobia aurita A. O. U. CoMMITTEE, Auk (1908), 25, 366. 
Batan N. (McGregor); Luzon (Celestino); Mindanao (Hverett). Alaska, 
eastern Siberia, and China, south in winter to Australia and New Zealand. 
“Adult male in breeding plumage.—General color above sandy rufous, 
streaked with black down the center of the feathers, these black centers 
being very much more distinct on the scapulars and inner secondaries, 
where the rufous margins are very bright; lower back, rump, and upper 
tail-coverts dusky black, the lateral tail-coverts sandy rufous barred with 
black; lesser wing-coverts dull brown; median coverts brown; with 
blackish centers and ashy fulvous margins; greater coverts uniform dusky 
brown with white tips; alula uniform brown; primary-coverts blackish, the 
inner ones tipped with white; quills brown, dusky blackish at tips and 
along outer webs, the shafts for the most part white, brown toward the 
bases; secondaries brown, with a little white at base of inner webs, and 
narrowly fringed with white near tips, inner ones a little more broadly ; 
tail ashy brown fringed with white round the end, the center feathers 
blackish and extended a little beyond the ends of the others; crown 
bright sandy rufous minutely streaked with black; lores and a distinct 
eyebrow white, with narrow streaks of blackish; sides of face white, with 
dusky streaks; ear-coverts tinged with rufous; under surface white; chin 
unspotted; throat, fore neck, and chest tinged with sandy rufous, and 
minutely spotted with dusky black, which sometimes takes the form of 
longitudinal streaks or arrowhead bars, the latter form of markings being 
especially distinct on the sides of body; breast and abdomen white, the 
